KERN PWS IP65 Interface Cable Instructions

KERN PWS IP65 Interface Cable

Product Information

• Product Name: KERN PWS
• Version: 1.0 (2022-08)
• Manufacturer: KERN & Sohn GmbH
• Address: Ziegelei 1, D-72336 Balingen
• Email: info@kern-sohn.com
• Telephone: +49-[0]7433- 9933-0
• Fax: +49-[0]7433-9933-149
• Website: www.kern-sohn.com

Product Usage Instructions

1. Transport and Storage: Before using the product, carefully unpack it and ensure proper storage according to the instructions provided.
2. Installation and Setup: Follow the instructions for unpacking, setup, and initial operation of the product.
3. Basic Operation: Familiarize yourself with the components, keyboard, and display of the product as described in sections 3.1, 3.2, and 3.3 of the user manual.
4. Safety Precautions: Read and adhere to the safety instructions mentioned in section 5.1 and ensure proper training of personnel as described in section 5.2.
5. Coefficient Multiplication: Refer to section 12 for instructions on performing coefficient multiplication.
6. Density Determination: Follow the guidelines provided in section 13 for density determination.
7. Summation: Learn how to perform summation operations using the product by referring to section 16.
8. Operation and Behavior Settings: Adjust the settings for operation and behavior based on the instructions given in section 17.
9. System Settings: Make necessary system settings as described in section 18.
10. Calibration: Perform calibration by following the instructions provided in section 19.1 and conduct a calibration test mentioned in section 19.2.
11. Interfaces: Explore the available interfaces and their usage as explained in section 20.

Please refer to the complete user manual for detailed instructions on each aspect of the product’s usage. The manual is available in multiple languages on the manufacturer’s website:  www.kern-sohn.com/manuals

Technical data

(F1);

5 kg (F1)

| 200 g (F1);

500 g (F1)

Warm-up time| 2 h
Weighing Units| g, kg, ct, oz, lb, ozt, dwt, gn, tl (Hong Kong), tl (Singapore, Malaysia), tl (Taiwan), mom, to
* Smallest part weight during piece counting| 100 mg (under lab conditions)| 100 mg (under lab conditions)| 10 mg (under lab conditions)
1 g (under normal conditions)| 1 g (under normal conditions)| 100 mg (under normal conditions)
Reference piece quantities at piece count| 5, 10, 30, 100
Weighing            plate, stainless steel| 190 x 190 mm| 190 x 190 mm| ø 140 mm
Dimensions of the housing (B x D x H) [mm]| 310 x 208 x 87
Net weight (kg)| 1.52 kg
Permissible ambient condition| 10 °C to + 30 °C
Humidity of air| 80 %
Power     supply    unit input voltage| AC 100-240 V, 300 mA 50/60Hz
Balance input voltage| DC 5.95 V, 1.0 A
Interfaces| RS-232
Degree of pollution| 2
Overvoltage category| 2
Metres in height| Up to 2000 m
Place of installation| In sealed rooms only

• • Smallest component weight for part counting – under lab conditions
• There are ideal ambient conditions for high-resolution counting
• The parts to be counted are not scattered

** Smallest component part for part counting – under normal conditions

• There are unsteady ambient conditions (draft, vibrations)
• The parts to be counted are being scattered

Declaration of conformity
The current EC/EU Conformity declaration can be found online in

• www.kern-sohn.com/ce

For verified weighing scales (= weighing scales assessed for conformity) the declaration of conformity is included in the scope of delivery.

Appliance overview

Components
PWS 3000-1 and PWS 8000-1

PWS 800-2

Pos. Designation

1. Weighing plate
2. Keyboard
3. Footscrews
4. Display
5. Bubble level

Rear view (weighing plate on the picture: PWS 3000-1 and PWS 8000-1)

Pos. Designation

1. Attachment eyelet for anti-theft device
2. Power plug with protective cap
3. RS-232C interface with protective cap Battery compartment (rechargeable
4. battery is available as an optional accessory)

View from below

Keyboard

Display

Basic Information (General)

Proper use
The balance you purchased is intended to determine the weighing value of material to be weighed. It is intended to be used as a “non-automatic balance”, i.e. the material to be weighed is manually and carefully placed in the center of the weighing pan. The weighing result can be read off once a stable weight value has been reached.

Improper Use

• Our balances are non-automatic balances and not provided for use in dynamic weighing processes. However, the balances can also be used for dynamic weighing processes after verifying their individual operative range, and here especially the accuracy requirements of the application.
• Do not leave permanent load on the weighing pan. This may damage the measuring system.
• Impacts and overloading exceeding the stated maximum load (max) of the balance, minus a possibly existing tare load, must be strictly avoided. Balance may be damage by this.
• Never operate the balance in explosive environment. The serial version is not explosion protected.
• The structure of the balance may not be modified. This may lead to incorrect weighing results, safety-related faults and destruction of the balance.
• The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing.

Warranty

The warranty becomes void if

• Our conditions in the operation manual are ignored
• The appliance is used beyond the described uses
• The appliance is modified or opened
• Mechanical damage or damage by media, liquids, natural wear and tear
• The appliance is improperly set up or incorrectly electrically connected
• The measuring system is overloaded

Monitoring of Test Resources
In the framework of quality assurance the measuring-related properties of the balance and, if applicable, the testing weight, must be checked regularly. The responsible user must define a suitable interval as well as type and scope of this test. Information regarding the test equipment monitoring of balances as well as the test weights required for this is available on the KERN homepage (www.kern-sohn.com). In KERN’s accredited DKD calibration laboratory test weights and balances may be calibrated (return to the national standard) fast and at moderate cost.

Basic Safety Precautions

Pay attention to the instructions in the Operation Manual
Carefully read this operation manual before setup and commissioning, even if you are already familiar with KERN balances.

Personnel training
The appliance may only be operated and maintained by trained staff.

Transport and storage

Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible visible damage.

Packaging / return transport

• Keep all parts of the original packaging for a possibly required return.
• Only use original packaging for returning.
• Prior to dispatch disconnect all cables and remove loose/mobile parts.
• Reattach possibly supplied transport securing devices.
• Secure all parts such as the glass wind screen, the weighing plate, power unit etc. against shifting and damage.

Unpacking, Installation and Commissioning

Installation Site, Location of Use
The balances are designed in a way that reliable weighing results are achieved in common conditions of use.
You will work accurately and fast, if you select the right location for your balance.

On the installation site observe the following

• Place the balance on a firm, level surface.
• Avoid extreme heat as well as temperature fluctuation caused by installing next to a radiator or in the direct sunlight.
• Protect the balance against direct draughts due to open windows and doors.
• Avoid jarring during weighing.
• Protect the balance against high humidity, vapours and dust.
• Do not expose the device to extreme dampness for longer periods of time. Non-permitted condensation (condensation of air humidity on the appliance) may occur if a cold appliance is taken to a considerably warmer environment. In this case, acclimatize the disconnected appliance for ca. 2 hours at room temperature.
• Avoid static charge of goods to be weighed or weighing container.
• Do not operate in areas with hazard of explosive material or in potentially explosive atmospheres due to materials such as gasses, steams, mists or dusts.
• Keep away chemicals (such as liquids or gasses), which could attack and damage the balance inside or from outside.
• Keep IP protection of the device.
• If any electromagnetic fields occur, static charges (for example when weighing / counting plastic parts) as well as unstable power supply, large display deviations (incorrect weighing results, as well as damage to the balance) are possible. In that case, the location must be changed.

Unpacking, Scope of delivery
Remove device and accessories from packaging, remove packaging material and install the device at the planned work place. Check if that there has been no damage and that all items of delivery scope are present.

Scope of delivery

-Interface-Cable- (16)](https://manuals.plus/wp-content/uploads/2023/11 /KERN-PWS-IP65-Interface-Cable-16.png)
6. Screw for weighing plate support| **
7. Mains adapter|
8. Power plug set|
9. Operating instructions|

Placing
The correct location of high-resolution precision balances is crucial for the accuracy of the weighing results (see chapter 7.1).

The IP protection of the balance is only maintained if

• the weighing plate is attached
• the hole on the underside is covered with the appropriate cover

1. Place the weighing plate carrier with the holes over the pins on the balance.
2. Fix the weighing plate with the screw
3. Place the weighing plate on the weighing plate carrier
   • PWS 3000-1 and PWS 8000-1: PWS 800-2
4. Connect the power supply unit (Installation of the power supply unit: see chap.7.5)

Levelling

1. Level balance with foot screws until the air bubble of the water balance is in the prescribed circle

• Check levelling regularly

Mains connection

• Select a country-specific power plug and insert it in the mains adapter.
• Check, whether the voltage acceptance on the balance is set correctly. Do not connect the balance to the power mains unless the information on the balance (sticker) matches the local mains voltage.
• Only use KERN original mains adapter. Using other makes requires consent by KERN.

Important

• Before starting your weighing balance, check the mains cable for damage.
• Make sure that the power supply unit and the power plug do not come into contact with liquids. Cover the power connector with the protective cap provided whenever the balance is disconnected from the electricity supply.
• Ensure access to mains plug at all times.

Installation of the power supply unit

1. Place the country-specific power plug at a slight angle in the recess of the power supply unit so that the spring points in the direction of the locking arrow of the power supply unit.
2. Push the locking mechanism of the power plug downwards and press the power plug into the recess of the power supply unit. Then release the lock (make sure that the power plug is engaged).

Side view of the power plug (simplified) Inserting the power plug into the power supply unit

Turning On the Power

Initial Commissioning
The balances must have reached their operating temperature for accurate weighing results to be obtained from the electronic balances (see Warm-up Time, Chapter 1). During this warming up time the balance must be connected to the power supply (mains, accumulator or battery). The accuracy of the balance depends on the local acceleration of gravity. It is essential that the instructions in the chapter on Adjustment are followed (see chap.19).

Connection of peripheral devices
Before connecting or disconnecting of additional devices (printer, PC) to the data interface, always disconnect the balance from the power supply.
Make sure that the connections of the RS-232C interface and the connection for peripheral devices do not come into contact with liquids. Cover the connectors on the machine with the protective caps provided when not in use.
With your balance, only use accessories and peripheral devices by KERN, as they are ideally tuned to your balance.

Menu
Settings on the balance can be changed from the menu by pressing the [F] key.

• To open the menu, the balance must be in the gram display (switch-over the display: Press [F] key).
• For navigation in the menu see chapter 8.28.1 Menu overview
• The balance’s menu consists of several levels. The first level consists of the main menus. Depending on the setting, you get access to further menu levels.
• You will find a summary of the setting options in the individual chapters.

Navigation in the menu

Open menu

Press and hold the [F] key for about 2 seconds.

• Display changes to .
• Release [F] key

If you continue to hold down the [F] key after is displayed, the balance will switch to another mode. In this situation you can press the [PRINT] key to cancel the action.

Basic Operation

Turn on/off
After switching on, the balance always starts with the last weighing application that was used before switching off.

Start-up

Press [ON/OFF] key

• The display lights up
• Wait until the weight display appears
• The display shows zero
• The balance is now ready for weighing

Check the display

• You can check whether the weight value shown on the display changes using light finger pressure on the weighing plate,

Switching off

• When the balance is switched on, press the [ON/OFF] key.
• The balance display turns off

Zeroing
If is shown on the display after pressing the [TARE/ZERO] key, taring has been performed instead of zeroing. For more information on taring, see chapter 9.3.

Unload weighing plate

• Press [TARE/ZERO] key
• Balance performs zeroing
• The display shows the value <0.0 g> and the zero indication <0>.

Taring
The tare weight of any balance container can be tared at the touch of a button, so that the net weight of the weighed goods is displayed during subsequent weighing operations.

• If a tare weight is being used, the maximum weighing range for weighing goods is reduced by the value of the tare weight.
• Place the empty weighing container on the weighing plate
• The weight of the weighing container is displayed
• Press [TARE/ZERO] key
• Balance performs taring
• The display shows the value <0.0 g> and the zero display .
• Fill the weighing container with the material being weighed
• Read off the net weight of the material to be weighed
• When the balance is unloaded the saved taring value is displayed with negative sign.
• To clear the stored tare value, unload the weighing plate and press the [TARE/ZERO] key.
• The taring process can be repeated any number of times. The limit is reached when the whole weighing range is exhausted.

Selection of a weighing application
To open the menu, the balance must be in the gram display (switch-over the display: Press [F] key).

• Press and hold the [F] key for about 2 seconds.
• Display changes to .
• Release [F] key
• Select the desired weighing application using the [] and [] keys (or [TARE/ZERO] key).
  • SEt „1“. Simple weighing
  • SEt 2 Piece counting
  • SEt 3 Percent weighing
  • SEt 4 Coefficient multiplication
  • SEt 5 Density determination
  • SEt 6 Weighing animals
• Press the [SET] key to confirm the selection.

Simple weighing
If you use a weighing container, tare before weighing (see chapter 9.3).

• Select weighing application <1. SEt 1> (for selection see chapter 9.4)
• Place the weighed material on the weighing plate or in the weighing container.
• Read off weighing result

Further displays
Press the [F] key to switch-over the display on the balance. The display depends on the active weighing application and the additional functions that have been enabled.

Numeric entry
Tolerance limits, reference weight values, coefficients, temperature values, specific density and the balance identification number can be entered manually on the balance.

• Whether it is permissible to enter a point for weight values depends on the readability of the balance
• Example: Readability (d) = 0.1 g → Permissible entry: One decimal place; Inadmissible input: More than one decimal place → Balance rounds up or down
• The balance can display a maximum of six characters

Piece counting
The piece counting application allows you to count several pieces placed on the weighing plate.
Before the balance can count parts, it must know the average part weight (i.e. reference). Proceed by putting on a certain number of the parts to be counted. The balance determines the total weight and divides it by the number of parts, the so-called reference quantity. Counting is then carried out on the basis of the calculated average piece weight.

As a rule: The higher the reference quantity the higher the counting exactness.

• You can cancel the setting of the piece count by pressing the [PRINT] key.

• If you are using a weighing container, tare before setting the reference piece count (see chapter 9.3).

• The acoustic signal only sounds if it has been activated (for settings, see chapter 17.3).

• Select weighing application <1. SEt 2> (for selection, see chapter 9.4)

• The display shows .

• Press and hold the [F] key for about 2 seconds.

• Display changes to <U. Set>

• Release [F] key

• The reference piece quantity flashes on the display ( in this example : <on 10>)

• Use the [ ] and [ ] keys (or [TARE/ZERO] key) to select the desired reference quantity.

  • on 5 5 items
  • on 10 10 items
  • on 30 30 items
  • on 100 100 items

• Place the number of pieces according to the entered reference quantity on the weighing plate or in the weighing hopper.

• Press the [F] key to store the weight value of the reference piece quantity.

Simple SCS (optional; press [F]key to reach to the measuring mode)

• Reference piece quantity on the display starts flashing
• Place additional reference pieces (the number of pieces must not be more than three times the reference quantity → initially selected). Example: Selected = 10 pieces, Additional reference pieces = 30 items or less).
• The stability indicator appears and an acoustic signal sounds (if activated, see chapter . 17.3.1), when the weight value of the reference pieces has been stored.
• Press the [F] key to finish weighing the reference quantity.
• An acoustic signal sounds and <End.> is displayed.
• The display changes to the piece counting mode
• Place more weighing goods on the weighing plate or in the weighing hopper.
• Read off the piece quantitiy

When the balance displays , _or

• < Add>: Number of additional samples is too small. Add more samples.
• < Sub>: Number of extra samples is too large. Decrease the sample.
• < L-Err>: Average piece weight is smaller than the smallest piece weight.

Further displays

• Press the [F] key to switch the display on the balance. The display depends on the active weighing application and the additional functions that have been enabled.

Percent weighing
The application Percent Weighing lets you to check the weight of a sample as a percentage, referred to a reference weight.

|

• If you are using a weighing container, tare before setting the reference piece count (see chapter 9.3).
• The readability of the balance automatically adjusts to the reference weight

---|---
Readability in %| Weight range of the reference weight
| 1|

• Minimum load <= Reference weight < Minimum
• load x 10 Minimum load x 10 <= Reference weight
• < Minimum load x 100 Minimum load x 100 <= Reference weight

Minimum load for percentage weighing

| 0.1
| 0.01
Model|
PWS 800-2| 1 g

• PWS 3000-1 and
• PWS 8000-1

| 10 g

The reference weight can be recorded in two ways

• Actual value setting method: Weighing the reference weight
• Numeric entry of the reference weight

• Select weighing mode <1. SEt 3> (for selection see chapter 9.4)
• The display shows <%>.
• Press and hold the [F] key for about 2 seconds.
• Display changes to <P. SEt>
• Release [F] key
• The last reference weight set flashes on the display

Actual value setting method

• Place the reference weight on the weighing plate or in the weighing hopper.
• Press [F] key
• Remove reference weight
• Place the samples on the weighing plate or in the weighing container and read off the percentage value.

Numerical input of reference weight

• Press [TARE/ZERO] key
• <0 g> flashes on the display
• Enter reference weight ( numeric entry : see chapter 9.6)
• Place goods onto weighing plate
• Percentage based on the reference weight is displayed

Further displays
Press the [F] key to switch the display on the balance. The display depends on the active weighing application and the additional functions that have been enabled.

Coefficient multiplication
The Coefficient multiplication application allows you to multiply the weight of a sample by a preset value. The result is shown on the display.

The readability of the balance depends on the coefficient entered

• Select weighing mode <1.SEt 4> (for selection see chapter 9.4)
• Display shows <#>
• Press and hold the [F] key for about 2 seconds.
• Display changes to <C. SEt>
• Release [F] key
• The last coefficient set flashes on the display.
• Press [TARE/ZERO] key
• Enter coefficients (Numerical input: see chapter9.6)
• Press the [SET] key to save coefficients.
• Place sample on the weighing plate
• Weight value is multiplied by the coefficient and result is shown on the display

Further displays
Press the [F] key to switch the display on the balance. In addition, a number of other functions can be activated depending on the weighing application.

Density determination

When measuring the density of solids, the solid is first weighed in air and then in an auxiliary liquid whose density is known. From the weight difference results the buoyancy from where the software calculates the density. Distilled water or ethanol are usually used as auxiliary liquids, density tables (for selection see chapter 13.1.

The following steps must be followed to measure the density

1. Prepare measuring equipment
2. Select weighing application for measuring density
3. Select medium
4. Set water temperature or specific density
5. Weigh sample by underfloor weighing
6. Correction of residual errors due to immersion basket
7. Measure sample

• The hook for underfloor weighing is available as an optional accessory
• Information on this can be found on our homepage: www.kern-sohn.com
• After completing the underfloor weighing the opening on the bottom of the balance must always be closed (dust protection).
• The balance is not IP65 protected during underfloor weighing
• The immersion basket must not come into contact with the container

1. Prepare measuring equipment

2. Select weighing application for measuring density

   • Select weighing application <1. SEt 5> (to select see chapter 9.4)

3. Select medium

   • Navigate to <11. Md.> and select medium ( Navigation in men u: see chapter8.2)
   • 0 : Water
   • 1 : No water (Other medium)
   • Press the [SET] key to save the settings
   • The display shows

4. Set water temperature or specific density

   • The water temperature must be between 0 °C and 99.9 °C
   • The specific density must be between 0.0001 and 9.999
   • Press and hold the [TARE/ZERO] key.
   • When 0 (water) is selected
   • Display changes to and flashes
   • Release the [TARE/ZERO] key.
   • Press the [TARE/ZERO] key to set the water temperature.
   • Enter water temperature ( numeric entry : see chapter 9.6)
   • Press the [SET] key to save the entry.
   • When selecting 1 (No water)
   • Display changes to and flashes
   • Release the [TARE/ZERO] key.
   • Press the [TARE/ZERO] key to set the specific density.
   • Enter specific density ( Numeric entry: see chapter9.6)
   • Press the [SET] key to save the entry.

5. Weigh sample by underfloor weighing

   • Attach empty immersion basket to the hook for underfloor weighing.
   • Press the [TARE/ZERO] key to tare the balance.
   • Place sample in the immersion basket
   • (In this step the sample can also be placed on the weighing plate)
   • Press the [SET] key when the stable weight value is displayed .

6. Correction of residual errors due to immersion basket

   • Place container with water or other liquid under the balance
   • Immerse empty immersion basket in the water or liquid
   • Press [TARE/ZERO] key to tare the balance and correct residual errors of the weighing container

7. Measure sample

   • Place sample in the immersion basket

   • Immerse the immersion basket with sample placed upon completely in the water or liquid.

   • Press the [SET] key when the stable weight value is displayed.

   • Read off the specific density result

   • Press the [SET] key to return to the weight value display. However, you cannot return to the density display. To do this, you must retake the measurement.

Density Table for Liquids

Data output of the specific density to a printer

• Further settings can only be made after the weighing application Density measurement has been activated (see chap. 13).
• You need a compatible printer to access these functions. Information on this can be found on our homepage: www.kern-sohn.com

Selecting the data for output

• In the menu navigate to <12.do.> and select setting ( Navigation in the menu: see chapter 8.2)
  • 0 Show only measured density and weight value
  • 1 Show all data (Measured density, Weight value, Current water temperature / Specific density)

Activate / deactivate automatic printout

• Navigate to <13.Ao.> in the menu and select setting ( Navigate in the menu : see chapter 8.2)
  • 0 Automatic display deactivated
  • 1 Automatic display activated

Animal weighing
The Animal Weighing application allows you to measure animals or samples that move whilst being measured. If the weight fluctuations are within a set weight range, the weight value is “frozen” and shown on the display.

• If you use a weighing container, tare before weighing (see chapter 9.3).
• The weight value cannot be “frozen” if the animal moves too much,
• For this function only the weighing unit gram is available
• As the stability detection range is wider in this function, the weighing results may be subject to errors compared to the actual weight values
• Select weighing application <1. SEt 6> (to select see chapter 9.4)
• < > is displayed
• Press the [SET] key to set the reaction of the balance.
• (top) slow reaction (animal moves a lot)
• (medium) medium reaction (animal moves a moderate amount)
• (bottom) fast reaction (animal does not move at all / hardly)
• Place the animal on the weighing plate
• If the weight fluctuation is within the weight range, the weight value is “frozen” and the balance shows

Additional settings
Additional settings can only be changed after the weighing application Animal weighing has been activated (see chap. 14).

Auto Tare

• If Auto Tare has been activated, a tare range is automatically set after the animal has been removed from the weighing plate and the weight fluctuations are within a set range.
• If Auto Tare has been deactivated, the value will be “frozen” until the [TARE/ZERO] key is pressed.

In the menu navigate to <14. At.> and select setting ( navigate in the menu : see chapter 8.2)

• 0 Disabled
• 1 Enabled

Data output
In the menu navigate to <15. Ho.> and select setting ( Navigate menu: see chapter 8.2)

• 0 Disabled
• 1 Enabled (One-time automatic output when value is “frozen”).

Set weight range
By changing the readability (d), the stability detection range can also be changed by using a combination of <16.Wd>.

• In the menu navigate to <16. Wd.> and select setting ( Navigate menu : see chapter 8.2)
  • 1 20d
  • 2 50d
  • 3 100d

Set the balance’s response.
Alternatively, the balance’s response of the balance can be set in the menu.

In the menu navigate to <17. SP.> and select setting ( navigation in the menu: see chapter 8.2)

1. fast reaction (animal does not move at all / hardly)
2. medium reaction (animal moves a moderate amount)
3. slow reaction (animal moves a lot)

Weighing with tolerance range

Setting a tolerance range allows you to quickly check whether a weight value is within certain limits.
This is where you can either set a single tolerance value (minimum value as lower limit) or a tolerance range (minimum and maximum value as lower and upper limit).

• Weighing with tolerance range is available for the following applications : Weighing, percentage weighing, piece counting and coefficient multiplication.
• <2. SEL 0> is the default setting (function deactivated).

Weight values can be evaluated in two ways when weighing with a tolerance range

• Evaluation of absolute values
  • The evaluation is based on the permissible maximum and / or minimum value specified.
• Evaluation with difference values
  • The evaluation is based on a specified reference value and the permissible difference values.

Example
A sample may weigh a minimum of 900.0 g and a maximum of 1200.0 g. The table below shows which values must be specified for the respective differentiation methods.

Distinguishing method| Reference value| Lower tolerance limit| Upper tolerance limit
---|---|---|---
Absolute values| | 1.000kg| 1.000kg
Differential

values

| 1000.0 g| – 100.0 g| 200.0 g

The following steps are needed to use weighing in the tolerance range,

1. Select function (see chapter 15.1)
2. Set differentiation condition (see chapter 15.2)
3. Set differentiation range (see chapter 15.3)
4. Set the number of tolerance limits (see chapter 15.4)
5. Set discrimination method (see chapter 15.5)
6. Activate / deactivate acoustic signal (see chapter 15.6)
7. Set tolerance values (see chapter 15.7)
8. Set the display of the results (see chapter 15.8)

Selection of weighing function with tolerance range

• In the menu select <2. SEL 2> ( navigation in the menu: see chapter 8.2)
• If the add-on function needs to be used at the same time, select <2. SEL 3>.

Set discrimination condition
The discrimination condition defines whether the evaluation of weight values is performed only if there are stable weight values or continuously (in case of fluctuating / non-stable weight values). The continuous assessment of weight values enables you to follow in real time on the display during dynamic weighing processes (e.g. when filling a container) whether your sample is within the tolerance limits.
In the menu navigate to <21. Co.> and select discrimination condition (Navigation in the menu: see chapter 8.2)

1. Always
2. Only with steady weighing value

Setting the discrimination range
The differentiation range determines the weight value from which the balance starts to evaluate this value. If the entire range is set, the balance starts at 0 g. If 5 is set, the adjustment for the weighing systems is based on the table below

In the menu navigate to <22. Li.> and select Distinction Area ( Navigation in the menu: see chapter 8.2)

• 0 +5 d or more
• 1 Whole range

Set the number of tolerance limits

In the menu navigate to <23. Pi.> and select the number of tolerance limits ( navigation in the menu: see chapter 8.2)

1. Lower tolerance limit only
2. Upper and lower tolerance limits

Set discrimination method

In the menu navigate to <24. tP.> and select the discrimination method (navigation in the menu: see chapter8.2)

1. Assessment with absolute values (S etting the absolute values: see chapter 15.7.1)
2. Assessment with difference values ( Setting the difference values: see chapter 15.7.2)

Set acoustic signal

• Navigate menu to <25. b. 1>, <26. b. 2> or <27. b. 3> ( Navigation in the menu: s ee chapter8.2)
  • 25. b1 Buzzer for falling below the lower tolerance limit
  • 26. b2 Buzzer for weighing result being within the tolerance range
  • 27. b3 Buzzer sounds if the upper tolerance limit is exceeded.

Select desired setting

• 0 Acoustic signal deactivated
• 1 Acoustic signal activated

Setting the tolerance values

• Tolerance values can only be saved when the balance is in the measurement mode display
• Zero (see chapter 9.2) or tare (see chapter 9.3) the balance before saving tolerance values.
• If the tolerance limits are not divided according to their order of magnitude (for example, the lower tolerance limit is greater than the upper tolerance limit), three arrows light up on the left of the display

In this case, enter the tolerance limits again

Absolute values

Actual value setting method

• When the balance is in the measuring mode, hold down the [SET] key for about 2 seconds.
• When <L. SEt> is displayed, release [SET] key
• Last stored value for the lower tolerance limit flashes on the display (in this example : Weight value)
• Place the reference sample for the lower tolerance limit on the weighing plate.
• Press the [F] key to save the reference value.
• Value of the reference sample is displayed briefly (in this example : Weight value)

If the number of tolerance limits is 2

• The display shows <H. SEt>
• The last value stored for the upper tolerance limit flashes on the display
• Place reference sample for the upper tolerance limit on the weighing plate
• Press the [F] key to save the reference value.
• Value of the reference sample is displayed briefly (in this example : Weight value)

Weighing the samples

• Remove reference sample
• Place goods onto the weighing plate
• Evaluation of the value is shown on the display

Numeric input

• When the balance is in the measuring mode, hold down the [SET] key for about 2 seconds.
• When <L. SEt> is displayed, release [SET] key
• Last value stored for the lower tolerance limit flashes on the display
• Press [TARE/ZERO] key
• <0> flashes on the display
• Enter lower tolerance limit (Numeric entry : see chapter 9.6)
• Press the [SET] key to save the entry.

If the number of tolerance limits is 2

• The display shows <H. SEt>
• The last value stored for the upper tolerance limit flashes on the display
• Press [TARE/ZERO] key <0> flashes on the display
• Enter upper tolerance limit (Numeric entry: s ee chapter 9.6)
• Press the [SET] key to save the entry.

Weighing the samples

• Place goods onto weighing plate
• Evaluation of the value is shown on the display

Differential values Actual value setting method

• When the balance is in the measuring mode, hold down the [SET] key for about 2 seconds.
• Release the [SET] key when <r. SEt> is displayed.
• Last reference value stored flashes on the display
• Place reference sample (target weight) on weighing plate
• Press the [F] key to save the reference value.
• Value of reference sample is displayed briefly
• is displayed
• Last difference to reference sample flashes on the display
• Place the reference sample for the lower tolerance limit on the weighing plate.
• Press the [F] key to save the reference value.
• Difference to reference sample is displayed briefly

If the number of tolerance limits is 2

• The display shows <H. SEt>
• Last difference to reference sample flashes on the display
• Place reference sample for the upper tolerance limit on the weighing plate
• Press the [F] key to save the reference value.
• Difference to reference sample is displayed briefly

Weighing the samples

• Remove reference sample
• Place weighing goods onto weighing plate
• Evaluation of the value is shown on the display

Numeric input

• When the balance is in the measuring mode, hold down the [SET] key for about 2 seconds.
• Release the [SET] key when <r. SEt> is displayed.
• Last reference value stored flashes on the display
• Press [TARE/ZERO] key
• <0> flashes on the display
• Enter reference value (target weight) ( Numeric entry: see chapter 9.6)
• Press the [SET] key to save the entry.
• The display shows <L. SEt>
• The last difference (lower tolerance limit) to the reference value flashes on the display
• Press [TARE/ZERO] key
• Enter difference as lower tolerance limit ( Numeric entry : see chapter 9.6)
• Press the [SET] key to save the entry.

If the number of tolerance limits is 2

• The display shows <H. SEt>
• The last difference (upper tolerance limit) to the reference value flashes on the display.
• Press [TARE/ZERO] key
• Enter the difference as the upper tolerance limit (numerical input): see chapter 9.6)
• Press the [SET] key to save the entry.

Weighing the samples

• Place goods onto weighing plate
• Evaluation of the value is shown on the display

Setting the display to present results
Whether a measured weight value is within certain limits is indicated on the display by an arrow on the left (see table below).

• The evaluation of the weight value can also be shown on the bar graph display.
• The bar graph display can only be used when a minimum and maximum value has been set.

Set the display for tolerance range weighing

• In the menu navigate to <2A.LG> and select setting ( Navigation in the menu: see chapter 8.2)
  • 1 Arrows
  • 2 Bar graph display

Totalization
The Totalizing application allows you to weigh different samples and totalize the weight values. This function can be used for various applications, such as weighing individual batches to determine total stock.

• Totalizing is available for the following applications: Weighing, percentage weighing, piece counting and coefficient multiplication.
• <2. SEL 0> is the default setting (function deactivated).

Totalizing can be done in two ways

• Totalizing individual weight values by replacing the sample on the weighing plate: TOTAL-Adding (see chapter 16.2.1)
• Totalizing of single weight values without exchanging the sample on the weighing plate (balance tares automatically after totalizing): NET-Adding (see chapter 16.2.2).

Select the Totalizing function

• Select <2. SEL 1> in the menu (navigation in the menu: see chapter 8.2)
• Select <2. SEL 3> if the tolerance function needs to be used at the same time,
• Press [F] key
• The display shows <2C.Ad.>.
• Use the [] and [] keys (or [TARE/ZERO] key) to select the desired reference quantity.

1. TOTAL-Adding Totalizing individual weight values by replacing the sample on the weighing plate
2. NET-Adding: Totalize individual weight values without replacing the sample on the weighing plate (balance tares automatically after totalizing)
   • Press the [SET] key to save settings and return to measuring mode.

Using the totalizing function

• The error message appears if you have not placed the samples correctly ( More information: see chapter 22.1)
• You can use the stabilization waiting time (see chapter 17.5.2) to set whether the balance should wait for a stable weight value before the total is calculated

TOTAL-Adding

• Set the balance to <2C.Ad. 1> (see chapter )
• Place the first sample on the weighing plate and wait until the display shows an asterisk <*>.
• Press [SET] key
• Weight value is stored
• <Σ> is displayed briefly together with the weight total
• Remove sample from weighing plate (balance performs automatic zeroing)
• Wait until the balance shows <0>.
• Place new sample on weighing plate and repeat steps

NET-Adding

• Set the balance to <2C.Ad. 2> (see chapter )
• Place the first sample on the weighing plate and wait until the display shows an asterisk <*>.
• Press [SET] key
• Weight value is stored
• <Σ> is displayed briefly together with the weight total
• Wait until the balance shows <0>.
• Place another sample on the weighing plate and repeat steps

Show or clear the total sum Show the total sum

With the balance in measuring mode, press the [F] key repeatedly until the display shows <Σ>.

Clear the total sum

• With the balance in measuring mode, press the [F] key repeatedly until the display shows <Σ>.
• Press [TARE/ZERO] key

Settings for operation and operating behaviour

Settings on the balance can be changed from the menu by pressing the [F] key.

• For navigation in the menu see chapter 8.2

Setting the weighing units
Two weighing units (A and B) can be set on the balance. During weighing, the display can be switched between these two units by pressing the [F] key.

• Unit A can be used for all weighing applications.
• Unit B can be used for simple weighing only

In the menu navigate to <b1.u.A> or <b3.ub>.

• Set unit A
• Set unit B
• Select setting
  • 0 Disabled (setting only available for unit B).
  • 1 g (gram)
  • 2 kg (kilogram)
  • 4 ct (carat)
  • 5 Ounce
  • 6 Pound
  • 7 Troy ounce
  • 8 Penny weight
  • 9 Gran
  • A Hongkong tael
  • b Singapore-Malaysia tael
  • C Taiwan tael
  • d Momme
  • E Indian tola

Bar graph display
The balance’s bar graph display shows how much the weighing plate is loaded with respect to its weighing range.

Navigate to <8. b.G.> in the menu and select display setting

• 0 Disabled
• 1 Enabled

Acoustic signal
The acoustic signal supplements the display on the balance and can support you in your work.

On the balances you can set an acoustic signal to sound in the following cases

• Piece weight has been updated in the Simple SCS function
• Weight value has been added
• Error message appears
• Low battery charge (for balances with batteries)
• Weight value has been evaluated in the tolerance range during weighing

Activate / deactivate the acoustic signal
In the menu navigate to <M. b2.> and select setting

• 0 Disabled
• 1 Activated (acoustic signal in cases mentioned above)
• 2 When the button is pressed and in the above cases

Adjusting the sound level of the acoustic signal

• Activate acoustic signal (see chapter 17.3.1)
• In the menu navigate to <M1. tn.> and select setting
  • 1 Low
  • 2 Medium
  • 3 High

Background lighting
The background lighting makes the display easier to read. The background lighting can be switched off automatically if the balance has not been used for more than three minutes.

• In the following cases, the backlight is not switched off
  • when the menu of the balance is open
  • when there is a load on the weighing plate and the value is unstable.
• The background lighting is automatically switched on again when the balance is used.

Turn off of the background lighting automatically

• In the menu, go to <A. A.b.> and select the response setting.
  • 0 No automatic switch-off
  • 1 Automatic switch-off after three minutes

Checking the background lighting
Navigate to <o. b.L.> in the menu and select reaction setting.

• 0 Disabled
• 1 Enabled
• 2 Activated if the balance is operated with mains voltage
• Deactivated if the balance is operated by rechargeable batteries

Stability settings
The stability settings influence the evaluation of weight fluctuations on the weighing plate and to what extent the weight value is displayed as a stable value.

• As a rule : The larger the value set, the greater weight fluctuations can be for the weight value to be displayed as stable.

Sensitivity
In the menu navigate to <4. Sd.> and select Sensitivity.

• 1 Very strong sensitivity
• 2 Increased sensitivity (default)
• 3 Weaker sensitivity (default)
• 4 Very weak sensitivity (anti-vibration)

Stabilization waiting time
You can set the balance to display the weight value even if the weight value is not yet stable after zeroing or taring.

• In the menu navigate to <H. tA.> and select sensitivity.
  • 1 Disabled
  • 2 Enabled

Reaction settings

• The reaction settings allow you to adapt the balance to the environmental conditions. The reaction setting affects the stability display of the balance.
• The following applies: The higher the value set, the less sensitive the balance is to environmental influences (e.g. wind or vibration) and is more likely to display a stable weight value.

In the menu navigate to <5. rE.> and select Reaction setting.

• 0 Sensitive
• 1 Very strong sensitivity
• 2 Strong sensitivity
• 3 Normal
• 4 Weak sensitivity
• 5 Very weak sensitivity (anti-vibration)

Zero-Tracking
Small weight variations (e.g. due to particles on the weighing plate) can be automatically tared by zero tracking.

Navigate to <3. A.0> in the menu and select the setting.

• 0 Disabled
• 1 Enabled

Automatic switch-on function
If the auto power off switch is activated, the balance will automatically switch off if it has not been used after a period of 5 minutes.

• This function can only be used when the balance is operating on rechargeable battery power
• The balance does not switch off automatically,
  • when the menu of the balance is open
  • when there is a load on the weighing plate and the value is unstable.
• In the menu navigate to <9. A.P.> and select the setting.
  • 0 Disabled
  • 1 Enabled

System Settings

Settings on the balance can be changed from the menu by pressing the [F] key.
For navigation in the menu see chapter 8.2

Balance identification number
Your balance can be distinguished from other balances by assigning a balance identification number. The balance identification number is shown on the adjustment record.
A maximum of 6 characters can be assigned for the balance identification number

Set the balance identification number

• Press [F] key and [TARE/ZERO] key simultaneously for about 2 seconds.
• Release the keys when <Func 2> is displayed.
• The display shows <1. Id 0>.
• Select setting 1
• Press [F] key

Enter the balance identification number

• The balance identification number is displayed on the balance.
• Press [TARE/ZERO] key
• The first input digit flashes
• Press the [TARE/ZERO] key to select characters (0-9, A-F, -, space).
• Alternative : The direction keys ([] and []) can also be used to select characters.
• Press the [F] key to enter the next character.
• Alternative: The direction keys ([] and []) can also be used to select the position of the characters.
• Repeat steps
• Press the [SET] key to save the entry.
• Display changes to <2. in i. 0>.
• Press the [SET] key again to return to measuring mode.

Readability
The greater the readability is set, the less the balance is affected by external influences. In addition, the scale value stabilises more quickly.

• • The permissible readability differs depending on the weighing unit (see chapter
  • For unit A and unit B (setting t he weighing unit : see chap. 17.1) the readability can be set individually In the menu navigate to <b2. dA> or

  and select readability
  • b2. dA Readability for unit A
  • b4. db Readability for unit B

• Select readability (see chapter 18.2.1 and 18.2.2).

Readabilities for PWS 800-2

Readabilities for PWS 3000-1 and PWS 8000-1

Restore last tare value
The balance provides the option to restore the last tare value used before the balance was switched off when it is switched on again. If this function is activated, users do not need to tare again in the event of a power failure, for example, if the same tare weight is used.

If the weighing plate is permanently loaded over a longer period of time, this can lead to incorrect weighing results.

• Navigate to <L.tA.M.> in the menu and select settings.
  • 0 Disabled
  • 1 Enabled

Restore factory settings
When restoring the balance’s factory settings, all settings will be reset.

• Press [F] key and [TARE/ZERO] key simultaneously for about 2 seconds.
• Release the keys when <Func 2> is displayed.
• The display shows <1. Id 0>.
• Press the [F] key to navigate to <2. ini.>.
• Select desired setting
  • 0 Cancel
  • 1 Restore factory settings
• Press [SET] key
• The balance returns to measuring mode

Adjustment
As the acceleration value due to gravity is not the same at every location on earth, each balance must be coordinated – in compliance with the underlying physical weighing principle – to the existing acceleration due to gravity at its place of location (only if the balance has not already been adjusted to the location in the factory). This adjustment process must be carried out for the first commissioning, after each change of location as well as in case of fluctuating environment temperature. To receive accurate measuring values it is also recommended to adjust the balance periodically in weighing operation.

• Observe stable environmental conditions. A warm up time (see chapter 1) is required for stabilization.
• Ensure that there are no objects on the weighing pan.
• Avoid vibration and air flow.
• Always carry out adjustment with the standard weighing plate in place.
• The adjustment record is printed if an optional printer is connected and the GLP function has been activated.

Adjustment

• You can cancel the adjustment procedure if you press a key during adjustment (except [F] key)
• The error messages <1-Err> or <2-Err> appear if you have not applied the correct adjustment weight (More information : see chapter 22.1)
• Setting <7. CA. 0> disables the adjustment function.
• In the menu select <7CA. 3> ( Navigation in the menu : see chapter8.2)
• Press [SET] key
  • Hold down [F] key until appears on the display.
  • Release [F] key
  • Message <on 0> appears on the display and starts flashing
  • The balance performs a zero setting
  • The message is displayed when zeroing is complete
  • Place the adjustment weight centrally on the weighing plate.
  • Message starts flashing on the display
  • Adjustment starts
  • The adjustment has been completed once is displayed on the balance
  • The balance returns to measuring mode
  • Unload weighing plate

Adjustment test

• In the menu select <7.CA. 4> ( navigation in the menu : see chapter8.2)
• Press [SET] key
• The balance returns to measuring mode
• Press and hold the [F] key for about 2 seconds.
• Display changes to .
• Release [F] key
• <on 0> and appear on the display one after the other
• Place the adjustment weight on the weighing plate once the balance shows .
• The adjustment test starts automatically
• The display first shows and then the difference value between the adjustment weight and the actual weight value
• Press any key to return to the measuring mode.

Interfaces
The balance can communicate with external peripherals using the interface. Data can be sent to a printer, PC or control displays. In the same way, control commands and data inputs may occur via the connected devices (such as PC, keyboard, barcode reader).

RS-232C interface for data input and output
The balance is equipped as per standard with an RS232C interface to connect a peripheral device (e.g. printer or computer).

Technical data

• Connection 9 pin d-subminiature bushing
• Baud rate Optional 1200/2400/4800/9600/19200
• Parity Empty / Odd number / Even number

Pin connection

The tare subtraction can be performed by an external device by connecting a contact or a transistor switch between pin 9 (EXT. TARE) and pin 5 (GND). A switch-on time of at least 400 ms must be observed (open-circuit voltage: 15 V when the balance is switched off, leakage current: 20 mA, when it is switched on).

Interface cable

Data output formats
Data composition

6-digit data format
Consisting of 14 characters, including the end characters (CR= 0DH, LF= 0AH)*.

7-digit data format
Consisting of 15 characters, including the end characters (CR= 0DH, LF= 0AH)

• Extended 7-digit data format
  • Extended version of the 7-digit data format
  • Data length can be 7 to 9 bits
  • Stop bit length can be 1 to 2 bits
  • If you have set the output language to Japanese, the data length is automatically 8 bits

Data description Presign

P1 = 1 character

Numeric data

If numeric data does not contain a decimal point, a space is output at the least significant digit and no decimal point is output

*Sp = space

Units

• U1, U2 = 2 characters: To indicate the unit of the numerical data

U1| U2| Code (U1)| Code (U2)| Significance| Symbol
---|---|---|---|---|---
Sp| G| 20H| 47H| Gram| g
K| G| 4BH| 47H| Kilogram| kg
C| T| 43H| 54H| Carat| ct
O| C| 4FH| 5AH| Ounce| oz
L| B| 4CH| 42H| Pound| lb
O| T| 4FH| 54H| Troy ounce| ozt
D| W| 44H| 57H| Penny weight| dwt
G| R| 47H| 52H| Grain| ►  (bottom

right)

T| L| 54H| 4CH| Hongkong tael| tl
T| L| 54H| 4CH| Singapore-Malaysia tael| tl and ► (top

right)

T| L| 54H| 4CH| Taiwan tael| tl and ►

(middle right)

M| O| 4DH| 4FH| Momme| (mom)
t| o| 74H| 6FH| Indian tola| to
P| C| 50H| 43H| Pieces| Pcs
Sp| %| 20H| 25H| Percent| %
Sp| #| 20H| 23H| Calculation results| #

Result evaluation for weighing with tolerance range: S1 = 1 character

*Sp = space

• Status of data : S2 = 1 character

*Sp = space
20.3 Data input

• Pay attention to upper and lower case letters when entering data
• Wait for the balance to respond between two entries

Input format

Input format

• Example of permanent output input
• Input : O0

Zeroing / taring, data output

values (interruption of output for unstable values).
O| 3| 4FH| 33H| Press [PRINT] key for one-time output
O| 4| 4FH| 34H| Automatic output when weighing plate is loaded again and value is stable
O| 5| 4FH| 35H| One-time output whenever value is stable (no output for unstable values)
O| 6| 4FH| 36H| Continuous output for unstable values (interruption of output when value is stable è stable value is output once)
O| 7| 4FH| 37H| Press [PRINT] key for one-time output at stable values (no output at unstable values)
O| 8| 4FH| 38H| One-time output
O| 9| 4FH| 39H| One-time output at stable value
Response

A00| Input successful
E01| Input Error
E04| Taring or zeroing cannot be carried out (range exceeded, weight error, …)

• Commands O8 and O9 are used to request data.
• After entering O8 or O9, the balance returns O0.
• Commands O0 to O7 are executed after activation until the balance is turned off. The output settings are reset to factory settings when the balance is switched on again.

Weighing functions

• The weighing function that can be activated by entering a mode depends on the weighing application currently in use on the balance (see mode table).
• Mode 3 can only be activated if the totalising function has been activated.
• If no unit B has been defined, mode 4 activates simple weighing

Mode table

Mode| Simple weighing| Piece counting| Percent weighing| Density

determinatio n

| Animal weighing
1| Weigh weight| Weigh weight| Weigh weight| Error| Error
2| Gross weight| Piece counting| Percent weighing| Error| Error
3| Totalise weight| Totalise pieces| Totalise percentage| Error| Error
4| Display unit B| Average piece weight| Error| Error| Error
Response

A00| Input successful
E01| Input Error
E02| Error

Adjustment / Adjustment test

Response

A00| Input successful
E01| Input Error
E02| Function has been deactivated
E03| Cancelled
E04| Incorrect execution

Response formats

Response

A00/Exx Format                                                ACK/NAK Format

A00: Normal answer E01: Incorrect answer| ACK: Normal answer NAK: Incorrect answer

A00/Exx Format
Consists of 5 characters, including the end characters (CR= 0DH, LF= 0AH) *.

• End characters: CR = paragraph, LF = line Commands
• TPWS-BA-def-2210

ACK/NAK Format
Consists of one character (without end characters). Commands

Communication settings
Settings on the balance can be changed from the menu by pressing the [F] key.

For navigation in the menu see chapter 8.2 20.5.1 Enable / disable interface and data format

• Navigate to <6. I.F.> in the menu and select data format
  • 0 Deactivate the interface
  • 1 6-digit data format
  • 2 7-digit data format
  • 3  Extended 7-digit data format

Change communication settings
The communication settings can only be made after the interface has been activated (see chapter 20.5.1).

Set output condition

Navigate to <61.oc.> in the menu and select the desired setting.

• 0 End output
• 1 Permanent output
• 2 Continuous output only for stable values (interruption of output for unstable values).
• 3 One-time output when [PRINT] key is pressed
• 4 Automatic output (One-time output when the value is stable. The next output for another sample occurs when the reading is stabilised to less than or equal to zero by unloading, zero adjustment or
• tare subtraction).
• 5 One-time output whenever value is stable (no output for unstable values)
• 6 Continuous output for unstable values (interruption of output for stable value ; the stable value is output once)
• 7 Press [PRINT] key for one-time output at stable values (no output at unstable values)

Set baud rate
Navigate to <62.bL.> in the menu and select the desired setting.

• 1 1200 bps
• 2 2400 bps
• 3 4800 bps
• 4 9600 bps
• 5 19200 bps

Set parity
Parity can only be set if the interface is set to 2 or 3 (see chapter 20.5.1).

• Navigate to <63.PA.> in the menu and select the desired setting
  • 0 Empty
  • 1 Odd
  • 2 Even

Set the data length
The data length can only be set if the interface has been set to 3 (see chapter 20.5.1). In the menu navigate to <64.dL.> and select the desired setting.

• 7 7 Bit
• 8 8 Bit

Set stop bit
In the menu navigate to <65.dL.> and select the desired setting

• 1 1 Bit
• 2 2 Bit

Set handling of blank digits

• Navigate to <66.nu.> in the menu and select the desired setting
  • 0 Fill with 0 (30H)
  • 1 Fill with blank line (20H)

Set response format

• In the menu navigate to <67.rS.> and select the desired setting
  • 1 Format : A00/Exx
  • 2 Format : ACK/NAK

Printer functions
Via the interfaces weighing data may be exchanged with connected peripheral devices.
Issue may be made to a printer, PC or check displays. In contrast, control commands and data entries can be made using the connected devices (e.g., PC, keyboard, barcode reader).

The output of date and time depends on the printer used. Information on this can be found on our homepage: www.kern-sohn.com

Activate output to peripheral devices

• Navigate to <E.GLP> in the menu and select the setting.
  • 0 Disabled
  • 1 Enabled

Output of the adjustment test result
The balance provides the option to automatically show the result on the interface after adjustment or after the adjustment test.

• Select <E.GLP 1> (see chapter 20.6)
• In the menu navigate to <E1.Co> and select the setting
  • 0 Automatic output deactivated
  • 1 Automatic output activated

Output of measurements obtained
The balance allows measurements to be output using the interface.

Activate the measurement result output

• Select <E.GLP 1> (see chapter 20.6)
• In the menu navigate to <E2.od> and select the setting
  • 0 Automatic output deactivated
  • 1 Automatic output activated

Output of measurements obtained

Print header

• Press and hold the [PRINT] key.

Print measurements obtained

• Place goods onto weighing plate
• Press [PRINT] key

Print footer

• Press and hold the [PRINT] key when the measurement of the weighing good is complete

Output language

• Set <E.GLP> to 1 (see chapter ).
• In the menu navigate to <E3.PF> and select the setting.
  • 1 English
  • 2 Japanese

Servicing, maintenance, disposal
Before any maintenance, cleaning and repair work disconnect the appliance from the operating voltage.

Cleaning

• Comply with IP protection
• Do not use aggressive cleaning agents (solvents or similar) only a cloth moistened with mild soapy water should be used.
• Wipe with a dry, soft cloth.
• Do not use cleaning agents that contain caustic soda, acetic acid, hydrochloric acid, sulphuric acid or citric acid on stainless steel parts.
• Clean stainless-steel parts with a soft cloth soaked in a cleaning agent suitable for stainless steel.
• Make sure that no liquid enters the instrument.
• Do not use metal brushes or cleaning sponges of steel wool, as this causes superficial corrosion.
• Loose sample residues/powder can be removed carefully with a brush or hand-held vacuum cleaner.
• Remove spilled weighing material immediately

Servicing, maintenance

• The appliance may only be opened by qualified service technicians authorised by KERN.
• Before opening, disconnect from power supply.

Disposal
Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used.

Instant help for troubleshooting

In the event of a fault in the programme sequence, the balance should be briefly switched off and disconnected from the mains. The weighing process must then be restarted.

• The balance is not switched on
• The mains supply connection has been interrupted (mains cable not plugged in/faulty).
• Power supply interrupted.
• (Rechargeable) batteries are inserted incorrectly or empty
• No (rechargeable) batteries inserted

The displayed weight is permanently changing|

• Draught/air movement
• Table/floor vibrations
• Weighing plate has contact with other objects
• Electromagnetic fields / static charging (choose different location/switch off interfering device if possible)

The weighing result is obviously incorrect|

• The display of the balance is not at zero
• Adjustment is no longer correct
• The balance is on an uneven surface
• Great fluctuations in temperature
• Electromagnetic fields / static charging (choose different location/switch off interfering device if possible)

The weighing result is incorrect after adjustment|

• Adjustment was not carried out under stable ambient conditions.
• Differences in weight between the adjustment weight and the weight used for testing

• Draught/air movement
• Table/floor vibrations
• Weighing plate has contact with other objects
• Electromagnetic fields / static charging (choose different location/switch off interfering device if possible)

The battery symbol flashes| The charge level of the batteries / rechargeable batteries is low
The display turns off when the balance is being operated using batteries / accumulators| The automatic switch-off function has been activated

Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer.

Error messages

| ****

• **** Maximum weighing range exceeded
• The total exceeds the maximum number of characters on the display

|

• Split sample and weigh individually
• Use lighter tare weight
• Delete the result of the calculation and perform the calculation again (pay attention to the display)
• Coefficient of unit conversion is too small. Use larger coefficient.
• Notify your supplier if the error message remains even though there is nothing on the weighing plate.

|

• **** Negative load is below the minimum weighing range

|

• Weighing plate or weighing plate carrier incorrectly adjusted
• Check whether the balance is touching other objects
• Contact your supplier if the error message persists even though the weighing plate and weighing plate support are correctly adjusted.

| ****

The weight value of the adjustment weight is less than 50 % of the weighing capacity.

| Use an adjustment weight with a weight value as close as possible to the weighing capacity.
Error message| Description| Possible causes / repair
---|---|---
****| **** Error > 1.0 % in adjustment or the balance is faulty| Use correct adjustment weight and make sure that there are no other objects on the weighing plate. Carry out adjustment again.

| **** Balance is subject to static charge or noise|

• Disconnect the power supply unit from the power supply, reconnect it and restart the balance.
• Electronic components may be damaged if the error message persists. Inform your supplier if this happens.

****|

• Weight value of the sample when setting the reference weight in piece counting mode is too low
• Weight value of reference weight in percentage weighing mode is too low

|

• Use samples / reference weights with higher weight value (lowest piece weight, minimum load)

|

• During totalising, the previous sample was not removed before further samples were placed
• During totalising, parts of the sample were removed, or an attempt was made to carry out the function without adding a sample.

|

• First remove the previous sample before adding the next sample.
• Add-on is not possible if 0 or negative values are displayed. Place sample to perform function.

|

• **** Nothing detected by the weighing sensor

|

• Disconnect the power supply unit from the power supply, reconnect it and restart the balance.
• Electronic components may be damaged if the error message persists. Inform your supplier if this happens.

| **** The balance is unstable and cannot perform zeroing or tare subtraction at power-up.|

• Balance is exposed to environmental conditions (e.g., wind or vibrations)
• Move the balance to another location

References

• Your Name as Your Email | Hover Realnames
• KERN & SOHN: Waagen, Mikroskope & Messinstrumente

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