CAS RW-S/L Wheel and Axle Weigher Owner’s Manual

Road Weigher

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MODEL : RW SERIES

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OWNER’S MANUAL

(kg/lb Version)

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1. Introduction

We greatly appreciate your purchase of CAS Road Weigher, which is used for displaying the value of weight loaded on each shaft of vehicle.
These goods have hold excellent performance and splendid properties through strike tests as well as devoting ourselves under severe quality management.
Also, it is programmed on the basic of the user’s convenience help display functions to be used easily.
Before using road Weigher, It is recommended to read this manual carefully and to apply the function application fully.

■ CAUTIONS

• Do not press the keys hardly, for the keys are in operation with soft touch.
• Do not use ignitable material for cleaning.
• Avoid sudden temperature change.
• Do not install Road Weigher in a place with high voltage and excessive electrical noises.
• Keep it in dry place.
• Do not use at the place with excessive electrical noises and vibration.

2. Feature

• small size & Slim(height 60mm) type
• built in high accuracy load cell

3. Technical Specification

• Overview

RW-S TYPE                        RW-L TYPE

• Dimension

• Specification

MODEL

| RW-02S| RW-05S| RW-10S| RW-05L| RW-10L
---|---|---|---|---|---
MAX. CAPACITY| 2,000kg| 5,000kg| 10,000kg| 5,000kg|

10,000kg

MIN. DIVISION

| 1kg| 2kg| 5kg| 2kg| 5kg
ACCURACY|

1%

SIZE

| P×P’| 340×310| 340×600
W| 458|

718

L

| 536| 566
H| 60|

60

POWER

| NORMAL| 1.5V AA size 12EA
OPTION|

DC7.2V 2.6Ah BATTERY (AA size 12EA)

(AC 110V/220V Include Charger)

RUNNING TIME

| 20hour (only charging battery, charging time 8hour)
DISPLAY|

5digit LCD (height 25mm)

TEMPERATURE

|

-10℃ ∼40℃

• Product

Scale

Charger & Rechargeable Battery (option)          Connection Cable (option)

4. Connection for scales

for 2 scales                             for 4 scales

for 6 scales

5. Charging

• changing battery

• C harger Connection

1. CHARGER

6. Front Panel Description

• DISPLAY

 STABLE : lights up when the weight to be in stable condition.

ZERO : lights up when current weight is 0 kg.

TOTAL : lights up when press

lb : current weight is lb

kg : current weight is kg

• KEY

 ZERO key : Used to return the display to the center of ZERO when the platform is empty

kg/lb key : Display kg/lb by turn (U.S.A version)

PRINTER key : Print the current total weight
(the weight is added to the total weight of a vehicle)

TOTAL PRINT key: Display the total weight of a vehicle for a second
Print the total weight of a vehicle(summing each axle)

LOCAL/TOTAL key : Display local weight / current total weight in turn

LIGHT key : ON or OFF light in turn

ON/OFF key : Power on or off

• How to enter TEST mode

Turn on the Power while pressing the key and TEST mode starts

• How to enter SET mode

Turn on the Power while pressing the key and SET mode starts

7. Test Mode

(1) HOW TO ENTER

Press the “ON/OFF” key while pressing the key and TEST menu starts.

(2) AVAILABLE KEYS

Key : Move to the left by 1 place of the set value.
Key : Increase the first place set value to 1
Key : Move into next menu.

(3) Test Menu(TEST 1 – TEST 5)

Test 1 : Key test
Test 2 : LCD display test
Test 3 : Load cell test and A/D conversion test
Test 4 : Serial interface test(RS-232)
Test 5 : Printer test

TEST 1

FUNCTION : Key test

KEY| LCD DISPLAY| DESCRIPTION
LIGHT key : Next menu
Other key : Perform test|

tESt1

1

| Test 1 condition

Press the key to be test and the no. and code of the key is displayed.

key

| CODE| KEY| CODE| KEY| CODE
---|---|---|---|---|---
ZERO| 6| *| 5| PRINT|

4

TOTAL PRINT

| 3| LOCAL PRINT| 2| LIGHT|

1

TEST 2

FUNCTION : LCD display test

KEY| LCD DISPLAY| DESCRIPTION
| tESt2

88888

| Test 2 condition

Test 2 is performed automatically.

REF 1. Program is automatically shifted to menu selection mode after completing

TEST 3

FUNCTION : Load cell test and A/D conversion

KEY| LCD DISPLAY| DESCRIPTION
LIGHT key: Next menu| tESt3

5500

| Test 3 condition

Display digital value of current weight This value means converted digital value.

REF 1. Check whether digital value is changing
If the digital value is fixed or zero is displayed, please check the connection of the load cell.

TEST 4

FUNCTION : Serial interface test

KEY| LCD DISPLAY| DESCRIPTION
LIGHT key : Next menu
Other key : Perform Test| tESt4

0—0

0—1

13–01

| Test 4 condition

Wait for transmission and reception

transmit : 1, Receive : none

transmit : 1, Receive : 13

REF 1 Do this test after the connection between serial port of computer and serial port of indicator
REF 2 Send no. 1 in computer keyboard and check if indicator receive no. 1
Send no. 1 in indicator keyboard and check if computer receive no. 1

TEST 5

FUNCTION : Printer test

KEY| LCD DISPLAY| DESCRIPTION
LIGHT key : Exit test mode
Other key : Perform| tESt5

GOOD

ERR06

| Test 5 condition

No error in printer
Check printer connector

REF 1. “GOOD” message is displayed if the printer connector and specification os done correctly. if not, “error 06” message is displayed.
REF 2. The test output format of printer is like follows.

PRINTER FORM

1999. 3. 1                   10:15:20
WEIGHT 1               1200 kg
WEIGHT 2               1200 kg
WEIGHT 3               1100 kg
WEIGHT 4               1100 kg
————————————–
TOTAL                     4600 kg

8. Set Mode

(1) HOW TO ENTER

Press the “ON/OFF” key while pressing the key and TEST menu starts.

(2) AVAILABLE KEYS

Key : Increase the first place set value to 1
Key : Move to the left by 1 place of the set value.
Key : Move into next menu.

(3) SET MENU(F01 – F14)

F01 : Select primary base unit (kg/lb)-U.S.A version
F02 : Designation of serial port usage(RS-232C)
F03 : Automatic Zero Tracking
F04 : Digital filter
F07 : Weight Back-up
F09 : Select the Back Light Mode
F10 : Device ID
F13 : Quantity of scales
F14 : Select option Clock

Select the primary base unit

F01

|

0

| Primary unit is kg

1

| Primary unit is lb
Serial port usage

F02

|

0

| Not used

1

| Connection with Serial printer

Automatic Zero Tracking

F03|

0

| Not used.

1
~
9

|

1 : 0.5 digit
~
9 : 4.5 digit

| Auto zero tracking will automatically bring the displayed back to “0” when there are small deviations

Digital Filter

F04| 1
~
9| 1 : Less Vibration
~
9 : Much Vibration| Adjust the set value according to the condition.
Select the weight Back-Up mode

F07

|

0

| Weight Back-up is off
1| Weight Back-up is on
Select the Back Light mode

F09

|

0

| Manual Back Light Mode
1| Automatic Back Light Mode

Device ID

F10| 01
~
99| 01 : Device ID 01
~
99 : Device ID 99| It is used the no. of indicator when system is connected.
Quantity of scales

F13

|

1

| one scale

2

| two scales

4

| four scales

6

| six scales
Select option Clock

F14

|

0

| Not used
1| Used
Change Date/Time (Ex. 1999/12/11 13:10:01)

▲ : Increase of no.
◀ : Shift of digitLIGHT : Store and move into next menu|

LCD Display

|

DESCRIPTION

C1 99

| YEAR : 99
C2 12|

MONTH : 12

C3 11

| DAY : 11
C4 13|

HOUR : 13

C5 10

| MINUTE : 10
C6 01|

SECOND : 01

9. Calibration Mode

(1) HOW TO ENTER

Open the front cover of RW and Press the “ON/OFF” key while pressing the CAL s/w on the Display PCB.
Another : Turn on the Power while pressing the key and press key and CAL mode starts

(2) AVAILABLE KEYS

Key : Move to the left by 1 place of the set value.
Key : Increase the first place set value to 1
Key : Move into next menu.

(3) Calibration Menu(CAL 1 – CAL 5)

CAL 1 : Maximum capacity setting
CAL 2 : Minimum division setting
CAL 3 : Span weight setting
CAL 4 : Zero calibration
CAL 5 : Span calibration

CAL 1

FUNCTION : Maximum Capacity SET
RANGE —> 1 ∼ 99,999 kg/lb

KEY| LCD DISPLAY| DESCRIPTION
▲: Increase of no.
◀: Shift of digit
LIGHT : Store and move into next menu|

CAL 1

100

10000

| CAL 1 condition

100 kg/lb
10000 kg/lb

REF 1. The maximum capa. means the maximum weight that scale can measure.

CAL 2

FUNCTION : Minimum Division SET
RANGE —> 0.0005 ∼ 100 kg/lb

KEY| LCD DISPLAY| DESCRIPTION
▲: Input the next division.
LIGHT : Store and move into next menu|

CAL 2

1

0.01

| CAL 2 condition

1 kg/lb
0.01 kg/lb

REF 1. The minimum division means the value of one division.
REF 2. External resolution is obtained by division the min. division by the maximum capacity. Set the resolution to be within 1/10,000.

CAL 3

FUNCTION : Setting Weight In Span CALIBRATION
RANGE —> 1 ~ 99,999 kg/lb

KEY| LCD DISPLAY| DESCRIPTION
▲: Increase of no.
◀: Shift of digit
LIGHT :Store and move into next menu|

CAL 3

100

10000

| CAL 3 condition

100 kg/lb
10000 kg/lb

REF 1. The weight shall be within the range of 10 % ∼ 100 % of maximum weight.
REF 2. If the Setting Weight is under the 10% of the Maximum Capacity, Error message (“ERR 22”) will occur.
REF 3. If the Setting Weight over the Maximum Capacity, Error message (“ERR 23”) will occur.

CAL 4

FUNCTION : Zero Calibration

KEY| LCD DISPLAY| DESCRIPTION
LIGHT:

Zero calibration and Move into next menu.

| CAL 4

ULoAd

– – –

GOOD

| CAL 4 condition

Unload the tray and press ENTER

Under zero calibration
Zero calibration is completed.

REF 1. If Zero calibration is done without any error, GOOD message is displayed and program moves into CAL 5 automatically.

CAL 5

FUNCTION : Span Calibration

KEY| LCD DISPLAY| DESCRIPTION
LIGHT:

Span calibration and Move into next menu.

| CAL 5

LoAd

– – –

GOOD

| CAL 5 condition

Load the weight which was set in CAL 3 and press LIGHT.

Under span calibration.

Span calibration is completed.

Press LIGHT key.
(Save & Exit CAL Mode)

REF 1. If Span calibration is done without any error, GOOD message is displayed
The weight of setting weight is displayed on LCD screen.
Check the weight.
REF 2. If the span is low, Error message (ERR 24) is displayed.
Calibrate with lower resolution.

9. Error message and Trouble Shooting

Err 02

▣ Reason
Load cell connection failure or error in A/D conversion part.
☞ Trouble shooting
Check the load cell connector to see if the polarity of signal is reversed.

Err 06

▣ Reason
Error in printer connection
☞ Trouble shooting
Check with printer connector
If there is no problem with printer connector, please request A/S to head office.

Err 08

▣ Reason
Error in units
☞ Trouble shooting
Check units(kg/lb). It should be same

Err 13

▣ Reason
Tare weight exceeds the maximum capacity of the scale.
☞ Trouble shooting
Set the tare to be smaller than maximum capacity.
Otherwise the maximum capacity is reset to be larger than the tare to be set in the calibration menu, and reset the calibration using weight.

Over

▣ Reason
The weight on platform is too heavy to be measured.
☞ Trouble shooting
Do not load cell item exceeds the maximum tolerance.
If the load cell is damaged, the load cell should be replaced.

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