SUMMIT SB-1150SB-1150 Bariatric Wheelchair Scale Instruction Manual

SUMMIT SB-1150SB-1150 Bariatric Wheelchair Scale

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Introduction

• The Summit SB-1150 bariatric wheelchair scale is a heavy-duty scale that offers exceptional performance in clinics and hospitals. Patients walk or can be wheeled onto the weighing platform to be
• weighed. The scale is a fully electronic, low profile floor scale that measures 36 in x 36 in (.91 m x .91 m) and has a capacity up to 1000 lb (500 kg). The SB-1150 uses four corner-mounted, alloy steel shear beam load cells with the cells recessed into the frame channels for protection.
• The Summit SB-1150 comes with a large one inch LCD indicator display and 6 AA batteries for use when power is not available. There is an optional 120/220V AC adapter which can be purchased.
  Load cell cables run through the main channels and are held down with replaceable cable ties near each corner to eliminate the possibility of cable damage. One threaded hole, located in the center of the deck, allows for placement of a removable eyebolt for lifting the scale from above with chains. The scale must always be lifted from above with chains through the eybolt to avoid the possibility of foot and load cell damage from forklift tines. Adjustable feet allow for leveling the scale in the event of minor floor irregularities.

FCC Compliance

United States
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Canada
This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.

Safety

Safety Definitions:

• DANGER
  Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. Includes hazards that are exposed when guards are removed.

• WARNING
  Indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death. Includes hazards that are exposed when guards are removed.

• CAUTION
  Indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate injury.

• IMPORTANT
  Indicates information about procedures that, if not observed, could result in damage to equipment or corruption to and loss of data.
  

General Safety
Do not operate or work on this equipment unless this manual has been read and all instructions are understood. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake Weighing Systems dealer for replacement manuals.
WARNING
Failure to heed could result in serious injury or death.
Ensure every individual who operates or works with this unit has read and understands all safety information.

• Do not transport the scale while someone is on the scale.
• Do not allow minors (children) or inexperienced persons to operate this scale.
• Do not use in the presence of flammable materials.
• Do not use this product if any of the components are loose or cracked.
• Do not use near water.
• Do not use the scale on slippery surfaces, such as a wet floor.
• Do not use this scale when a person’s body or feet are wet, such as after taking a bath.
• Do not place fingers into slots or possible pinch points.
• To avoid cross contamination, the scale should be cleaned regularly.
• Prior to cleaning, make sure the scale is disconnected from the power source.
• People with disabilities, or who are physically frail, should always be assisted by another person when using this scale.
  

IMPORTANT

• Do not drop the scale or subject it to violent shocks.
• Do not jump on the scale.
• For accurate weighing, the scale must be placed on a flat, stable surface.
• Operating at voltages and frequencies other than specified could damage the equipment.
• Avoid contact with excessive moisture.
• Do not make alterations or modifications to the scale.
• Rice Lake Weighing Systems offers optional AC adapters; utilizing an adapter not supplied by Rice Lake Weighing Systems voids all warranties and approvals.
• Weight exceeding the maximum capacity may damage the scale.

Installation

The following section provides installation instructions for the Summit SB-1150 wheelchair scale.

Scale

Standard installation of the scale consists of the following:

• Site preparation
• Unpacking the scale
• Assembly
• Electrical interface to the indicator
• Load cell connections
• Powering the scale

Site Preparation

Consider the following when choosing a site for the scale:

• Select a site where overweight loads can maneuver easily without crossing the platform
• Avoid areas where damage could occur from side impacts of wheels or forklift tines
• Avoid areas where falling objects could cause shock damage
• Avoid areas where water may damage a scale not meant for a washdown environment
• The scale must be level within 1/4 in of horizontal
• The interface cable between the scale and the indicator must be protected from crushing, cutting and moisture damage

IMPORTANT

• The scale must not be loaded beyond capacity, even momentarily.
• Choose a site where the floor is level to 1/4 in to avoid excessive shimming. The floor may require modification if unable to select an area up to this standard.
• If the chosen site has potential dangers to cable integrity, cable protection is required, such as running the cable in conduit.

Unpacking

Remove all packing material and inspect the contents for damage possibly caused during shipment. Contact Rice Lake Weighing Systems and the shipper immediately if there is damage to the scale. The shipping container should contain the scale, this manual, scale feet, the indicator, and a 10 foot length of load cell cable.
The Summit SB-1150 wheelchair scale has one threaded hole located in the center of the deck to allow for the installation of an eyebolt. An eyebolt hook and chains can be used to lift the scale. It is recommended to use a 1/2 in-20NF eyebolt for lifting the scale.

Assembly

The scale feet are shipped detached from the scale for load cell protection during shipment.

1. Unpack all parts.
2. Ensure each foot is screwed in until the foot touches either the load cell or the underside of the deck.
3. Unscrew each foot three complete turns and level the scale so all of the feet are in contact with the floor.
4. Place a spirit level on the scale deck.
5. Adjust corners not contacting the floor by unscrewing the feet until the feet contact the floor surface.
6. When all of the feet are contacting the floor, check the deck with the spirit level to ensure the scale is within 1/4 in of level.

Electrical Interface to the Indicator

Ten feet of 4-wire cable for connecting the scale to the weight indicator is supplied with each scale. The junction box is accessible through an access plate located on the side of the scale. Use the following steps to wire the junction box:

1. Remove the two #10 x 3/8 in screws.
2. Slide the junction box assembly out of the deck.
3. Open and remove the top of junction box.
4. Push the cable end into the junction box through a cord grip.
5. Connect the wires to the indicator terminal

Cable Color Code

|

Junction Box

---|---

White

| +EXCITATION
Green|

-EXCITATION

Black

| +SIGNAL
Red|

-SIGNAL

Bare

|

Shield

6. Pull out excess and tighten the cord grip to hold the cable snugly.
7. The cable must be routed to the indicator in a manner that will protect the cable from damage. The method of cable protection in non-washdown applications . Leave a loose coil of excess cable under the scale to facilitate lifting of the scale for servicing and cleaning.
8. Complete the connections to the indicator once the cable is protected and in its final position.
9. Ensure all strain relief fittings are tight.
10. Trim corners if necessary.
11. Replace the junction box cover and slide the junction box back into the scale deck.
12. Replace the access plate and secure with the screw removed in Step 1 on page 4.

Insert Batteries
The six AA batteries supplied with the scale provide an average of 25 hours of continuous use. To install the batteries:

1. Turn thumbscrew counterclockwise then remove battery cover.
2. Insert batteries into the battery chamber as illustrated.
3. Put the cover in place and turn the thumbscrew clockwise to secure.

Note

• Remove the batteries prior to storing if the product is not going to be used for an extended period of time.
• If the LO BAT indicator activates, for accurate weighing, replace the batteries or connect the scale to an AC power source as soon as possible.

Power Connection
An optional AC power adapter can be used when a power outlet is available.
IMPORTANT
Only use power adapters supplied by or purchased from Rice Lake Weighing Systems. The use of a power adapter not from Rice Lake Weighing Systems voids the warranty. Note

• The battery annunciator on the display turns off when using an AC power connection.
• The brightness of the backlight is reduced to 60% when using battery power.

Load Cell Connections

The indicator and scale comes factory installed with a load cell cable connection. Follow the procedure below if the load cell cable needs to be replaced or reconnected to the indicator.

1. Unscrew and remove the tilt stand bracket from the indicator to gain access to the load cell connection.

2. Remove the four back retaining screws to remove the back cover to the indicato

3. Plug the end of the load cell cable into the load cell connection. When it clicks the load cell cable is properly seated into the connection.

4. Reinstall the back cover and attach to the tilt stand.

Operation

This section describes the front panel and includes procedures for operation of the scale.

Key Descriptions

The display has 10 front panel keys. Key functions are described in the table below.
IMPORTANT
The front panel keys are very sensitive, so only a gentle press is required.

__

Print LB/KG

| Print LB/KG| Sends data out from the RS-232 port; Allows to toggle between kilograms and pounds providing that it is enabled in Configuration mode; Cannot toggle while in the BMI mode
Zero| Zero| Only functions if the current weight is stable and less than 2% of the capacity of the scale. Anything over 2% requires a recalibration
Hold/ Release| Hold Release| Displays most current weight value on the display and holds that value when the patient is off the scale. A second press releases the weight value. Not active while in BMI mode
BMI| BMI| Pressing the BMI key enables access to the BMI (Body Mass Index) mode (defaults when scale is turned on). The patient is gets on the scale, weight stabilizes and press the BMI key. The display then asks for the patient height to calculate out the patient BMI.
TARE| TARE| Used to remove the weight initially of anything on the scale that shouldn’t be included in the total weight of the patient on the scale
CLEAR| CLEAR| When using the BMI function, the display looks for a height entry. Pressing Clear changes this entry back to 190.0 cm (default) or 5 ft, 7.5 in.Once BMI is displayed, pressing the Clear key exits BMI
ENTER| ENTER| Used to accept height in BMI mode; accepts the value of the parameter last entered and moves to the next stage Pressing and holding Enter during startup will display ID. This is the first setup on entering into configuration mode
Up| Up Arrows| Adjusts the value of the flashing digit/number
Adjusts height input (0.5 in/0.5 cm) while in BMI mode
Down| Down Arrows| Adjusts the value of the flashing digit/number
Adjusts height input (0.5 in/0.5 cm) while in BMI mode

Weighing

Use the following steps to weigh

1. Press to turn on the scale. 0.0 appears on the display along with the ZERO annunciator.
2. Place the patient on the scale. The patient’s weight is displayed, the LOCK annunciator is on and the indicator beeps to indicate the end of the weighing process.
3. Press to change the display from lb to kg and vice-versa.
4. Press  and hold until OFF displays to turn off the scale.

Hold/Release Function

Use the following steps to use the Hold/Release function.

1. Press  to turn on the scale. 0.0 prompts along with ZERO on the display.
2. Press  once the patient’s weight stabilizes. The patient’s weight and the HOLD and LOCK annunciators remain  on the display when the patient is off the scale.
3. Press again to return the scale to zero.

Note
Pressing  will not work while using Hold/Release function.
Pressing prior to the patient getting on the scale will also hold the weight display.

Preset Tare

Use the following steps for the Preset Tare function prior to patient weighing if additional items are being used by the patient.

1. Press to turn on the 0.0 appears on the display along with the ZERO annunciator.

2. Place additional item(s) on the

3. Press until the display returns to 0 and NET annunciator appears on the display.

4. Remove additional item(s) from the The weight displays with a negative symbol to the left of it.
   Not removing the additional item(s) prior to patient weighing will also work.

5. Position the patient and additional item(s) on the The display identifies the patient weight. The NET annunciator is still active. The weight of the additional item(s) remains stored in memory for the duration of this weigh in.

6. To cancel the tare weight, remove patient from the scale and press until NET disappears from the display and the display turns back to 0 and GROSS appears.

Tare weight is also canceled when the scale is turned off.

Toggle Tare

Use the following steps to use the Toggle Tare function when the additional item to be weighed is known.

1. Press when the scale is empty and 0 displays. The default values prompts while 0.0 is flashing on the display (default is programmed to be 33.0 lb/15.0 kg).
2. Use and to adjust the Press to start the tare function. The NET annunciator turns on instead of the GROSS annunciator.

Using the Body Mass Index (BMI) Function

Use the following steps in determining the BMI.

LB Mode

1. Ensure that the scale is at
2. Place the patient on the scale to obtain a The LOCK annunciator appears on the display.
3. Press . The BMI and FT/IN annunciators appear on the display and a default height value of 5 feet – 5 inch (5 – 07.5) is flashing.
4. Use and to adjust the height
5. Press
6. The BMI value and BMI annunciator are shown on the Press to return to the Weighing mode and the BMI function will be turned off.

KG Mode

1. Ensure that the scale is at
2. Place the patient on the scale to obtain a The LOCK annunciator appears on the display.
3. Press The BMI and CM annunciators appear on the display and a default height value of 0 cm (170.0) is flashing.
4. Use and to adjust the height
5. Press
6. The BMI value and BMI annunciator are shown on the Press to return to the Weighing mode and the BMI function will be turned off.

Troubleshooting

Refer to the following table to check and correct any failure before contacting service personnel.

Symptom

| Possible Cause|

Corrective Action

---|---|---
Scale does not turn on| Dead batteries| Replace batteries or connect to AC power
Faulty electrical outlet| Use a different electrical outlet
Bad power supply| Replace adapter
Questionable weight or the scale does not zero| External object is interfering with the scale| Remove the interfering object from the scale
Display did not show 0.0 before weighing| Help the patient off the scale, zero the scale and begin the weighing process again
Scale is not placed on a level floor| Ensure scale is level and begin the weighing process again
Scale is out of calibration| Check the weight with a certified calibration weight
Scale base is touching floor during a weighment| Adjust height of feet so fingers can slide between the base of scale and the floor all the way around the platform
The display shows a STOP message| The load on the scale exceeds the capacity of the scale| Remove the excess weight and use the scale according to manufacture specifications
The display shows LO Bat message| The battery is low| Replace batteries

The display shows E and Err messages as detailed below

E06| Identifier – ADC| AD too high
E07| AD too low
E10| Overload| Scale has been overloaded. Remove load from scale
E4L| BAT| Battery low, but still usable- one bar left on indicator display
E4U| Battery low and unstable – no bars left on indicator display
E11| CAL| Calibration Error – recalibrate scale
Err 1| Load cell cable may be plugged into wrong connection port| Ensure cable is connected to the load cell connection port. Note: Load cell connection point is located underneath the curved plastic cover of the indicator. Remove four back retaining screws, remove curved back cover to access load cell connection point.
Err 2| Low saturation state (low A/D)| The load cell is not connected properly; Check the cables and mechanical connections; if the problem persists, replace the set of load cells
Err 3| High saturation state (high A/D)| See Err 2
Err 6| Unstable weight; Cannot calibrate| Check the load cell mechanical surroundings and ensure nothing is contacting the load cell and that the cables are properly welded
Err 7| Scale isn’t moving| Make sure feet are installed on the scale. Turn the feet all the way in and then back them out three full turns, then level the scale
SAT| Damaged load cell cable| Replace load cell cable
Load cell cable may be plugged into wrong connection port| Ensure cable is connected to the load cell connection port.
Note: Load cell connection point is located underneath the curved plastic cover of the indicator. Remove four back retaining screws, remove curved back cover to access load cell connection point.

Communications

The unit comes with an RS-232 port that enables weight data to be transmitted to other equipment, such as a computer or printer. The RS-232 cable with DB-9 connector (PN 100719) is available from Rice Lake Weighing Systems. That connection is shown in USB Connection section on the next page.
The RS-232 parameters are:

• 9600 baud (selectable in the programming mode)
• 8 data bits
• 1 stop bit
• no parity
• no handshaking

There are three methods of communication:

• Push-button keypad print
• Standard remote protocol
• Escape protocol

Push-button Keypad Print

With a stable, in-range weight, press and hold for at least three seconds, or until the scale emits two quick beeps.
Note
If the scale does not beep after five seconds, release as the weight was either in motion or out of range.
If displaying weight and not BMI, the scale will send out the following 21 character string:
xxxxxxxxxuummmmm

Token

|

Description

---|---
xxxxxxxxx| Weight with decimal point and “-” sign