CAS Road Weigher RW-2601P User manual

MODEL : RW-2601P
SERVICE'S MANUAL
(kg/lb Version)

Road Weigher
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CAS Portable Wheel Scale
Contents
1. Introduction ․․․․․․․․․․․․․․․․․․․․․․ 2
2. Feature ․․․․․․․․․․․․․․․․․․․․․․․․․․ 3
3. Technical Specification․․․․․․․․․․․ 3
4. Front Panel Description ․․․․․․․․․․․ 5
5. Test Mode ․․․․․․․․․․․․․․․․․․․․․․ 8
6. Set Mode ․․․․․․․․․․․․․․․․․․․․․․ 12
7. Calibration Mode ․․․․․․․․․․․․․ 15
8. Garvity Mode 19
9. Error Message and
Trouble Shooting
․․․․․․․․․․․․․․ 20
10.Part arrange
11.Schematic Diagram
12.Part List
13. Explode View

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CAS Portable Wheel Scale
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.

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CAS Portable Wheel Scale
2. Features
Up to 6 axle(P/F) scales◆
Compact size & light weight Box type◆
Built in inner clock for date/time print◆
Built in Printer(serial printer)◆
Built in Battery Charger & Large capacity Battery◆
(6V/10A x 2 EA)
3. Technical Specification
◆Overview

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CAS Portable Wheel Scale
Dimension◆
Specification◆
Model Name RW-2601P RW-Printer Box Accessory Box
Operating Power - Inner Battery Operation.(DC6V)
Cable,
AC Cord,
Adaptor,
Power Source AC 110/220V, 50/60 Hz
(For Battery Charger)
Display Type LCD Built In
Printer
without
Display
Display Designators Stable, Zero, kg/lb
Product Weight 9.2 kg 6.5 kg 3.5 kg

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CAS Portable Wheel Scale
4. Front Panel Description
Display lamp■
STABLE lamp : Turn on when the weight is stable.
ZERO lamp : Turn on when the current weight is 0 kg(0 lb).
lb/kg : Turn on when the weight unit is lb or kg.
Key Usage■
TRUCK
No.
SUM
NET
GROSS
ZERO
ENTER
PRINT
kg
lb
TARE

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CAS Portable Wheel Scale
ZERO key : Used to return the display to the center of ZERO when the
platform is empty.
kg/lb key : Toggles between lb and kg units.
(only It is used in the USA Version)
SUM key : Used to print sum total weights.
PRINT key : Used to print the current weight.
TRUCK No. key : Used to input the number plate of vehicle which is used
to weigh.
Only you can input number within five digits.
ENTER key : Used to store current condition and exit in CALIBRATION,
TEST, SET mode.
P/F1 key : Used to display the weight which is connected to Platform 1.
P/F2 key : Used to display the weight which is connected to Platform 2.
P/F3 key : Used to display the weight which is connected to Platform 3.
P/F4 key : Used to display the weight which is connected to Platform 4.
ZERO
kg
lb
SUM
PRINT
TRUCK
No.
ENTER

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CAS Portable Wheel Scale
P/F5 key : Used to display the weight which is connected to Platform 5.
P/F6 key: Used to display the weight which is connected to Platform 6.
* How to enter TEST mode
Turn on the Power while pressing the
TRUCK
No. key, and TEST mode starts.
* How to enter SET mode
Turn on the Power while pressing the ENTER key, and SET mode starts.
* How to enter CAL mode
Turn on the Power while pressing the
ZERO
key and press TARE
and CAL mode starts.
■Power Part
Serial Port(9 pin) :□
Fuse Holder□
A C Cord :□
Power ON/OFF switch□

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CAS Portable Wheel Scale
5. Test Mode
(1) How to enter
Press the "ON/OFF" key while pressing the
TRUCK
No. key, and TEST menu starts.
(2) Available keys
Key : Change the set value.
Used to increase the set value + 1.
Key : Change the digit of the set value.
Used to increase the set value ×10.
ENTER Key : Move to the 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 / Printer Test(RS-232)

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CAS Portable Wheel Scale
TEST １
FUNCTION : Key test
Key Display Description
ENTER key :
Move to the next menu.
Other key :
Perform test.
tESt1
1
TEST 1 condition.
Press the key to be test and the No
of key mode should be identify with
code of key.
If you press Enter key, it will be
moved to test 2.
< Key List >
Key Code Number Key Code Number
P/F 1 03 Tare 05
P/F 2 07 Gross/Net 09
P/F 3 11 kg/lb 13
P/F 4 15 Sum 02
P/F 5 04 Print 06
P/F 6 08 Truck No. 10
Zero 01 Enter 14
TEST ２
FUNCTION : LCD display test
Key Display Description
Enter : Move to the
next menu
Other Keys :
Perform Test
tESt 2 TEST 2 condition.
TEST 2 is automatically performed.
After this test completing, it will be
moved to test3 automatically.
Ref 1. Program is automatically shifted to test 3 after completing Test 2.

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CAS Portable Wheel Scale
TEST ３
FUNCTION : Load cell test and A/D conversion
Key Display Description
Enter : Move to the
next menu.
Other Keys :
Perform Test.
tESt 3 TEST 3 condition
Display digital value of current
weight.
This value means converted digital
value under actual condition.
If you press Enter key, it will be
moved to test 4.
Ref 1. A/D converter test is automatically completed by displaying converted
digital value of current weight.
Ref 2. L/C test is also completed by loading the weight on the platform.
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 / Printer test
Key Display Description
ENTER: Exit from the
Test Mode
Other Keys :
Perform Test
tESt 4 Test 4 condition
---- Press Enter key.
GOOD
2601P It will be moved to Normal Mode
after test mode.
Ref 1. Perform test only when the printer connection are installed.
Ref2."GOOD" message is displayed if the printer connection and specification
is done correctly. If or not, "ERR 6" message is displayed.
Ref 3. The test output format of printer is as the follows.

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CAS Portable Wheel Scale
If you press the Enter key, it will be returned to NORMAL MODE.
However, only when it is connected with printer, this test can be performed.
* 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

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CAS Portable Wheel Scale
6. Set Mode
(1) How to enter
Press the "ON/OFF" key while pressing the ENTER key, and TEST menu starts.
(2) Available keys
Key : Change the set value.
Used to increase the set value + 1.
Key : Change the digit of the set value.
Used to increase the set value ×10.
ENTER Key : Move to the next menu.
(3) Set Menu(F01 - F14)
F01 : Select Primary Base Unit (kg/lb)-U.S.A version.
F04 : Digital Filter Function.
F08 : Back Light Selection
F13 : Quantity of Scales (P/F, Axle Scale)
F14 : Select Option Clock.

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CAS Portable Wheel Scale
Select Primary Base-unit
F01 0Primary unit is kg
1Primary unit is lb
Digital Filter Function
F04
1
~
9
1 : Less Vibration
~
9 : Much Vibration
Adjust the set value according
to the condition.
Select the Back-Light Usage
F08 0Manual Back Light
1Automatic Back Light
Quantity of Scales
F13
1 one scale
2 two scales
3 three scales
4 four scales
5 five scales
6 six scales
Select Option Clock
F14 0 Not used
1 Used

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CAS Portable Wheel Scale
Change the Date/Time (Ex. 2000/12/11 13:10:01)
▲: Increase of no.
: Shift of digit.◀
Enter : Store and
move to the next menu.
Display Description
C1 00 YEAR : 00
C2 12 MONTH : 12
C3 11 DAY : 11
C4 13 HOUR : 13
C5 10 MINUTE : 10
C6 01 SECOND : 01

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CAS Portable Wheel Scale
7. Calibration Mode
(1) How to enter
Turn on the Power while pressing the
ZERO
key, and then press
TARE
and press Enter key as soon as you selecting the number of platform.
If you don't set the number of platform, it will automatically be moved
to Normal Mode. F13 should be set before entering to CAL mode.
(2) Available keys
Key : Change the set value.
Used to increase the set value + 1.
Key : Change the digit of the set value.
Used to increase the set value ×10.
ENTER Key : Move to the next menu.
(3) Calibration Menu(CAL 1 - CAL 5)
CAL 1 : Maximum Capacity Setting
CAL 2 : Minimum Division Setting
CAL 3 : Setting Weight
CAL 4 : Zero Calibration
CAL 5 : Span Calibration

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CAS Portable Wheel Scale
FUNCTION : Maximum Capacity Set
RANGE ---> 1 99,999 kg/lb～
Key Display Description
: Increase of no.▲
: Shift of digit.◀
ENTER : Store and
move into next menu.
ti.03 Program version
CAL 1 CAL 1 condition
10000
Maximum Capacity
Value
10000 kg/lb
Ref 1. The maximum capacity means the maximum weight that scale can measure.
Ref 2. Do not input the resolution, there is no need to input the resolution
which is automatically calculated.
Ref 3. If you press Enter key, it will be moved to CAL 2.
CAL 2
FUNCTION : Minimum Division Set
RANGE ---> 0.0005 100 kg/lb～
Key Display Description
: Input the next▲
division.
ENTER : Store and
move into next menu
CAL 2 CAL 2 condition
0.01
Minimum Division
Value
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.
Ref 3. If you press Enter key, it will be moved to CAL 3.

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CAS Portable Wheel Scale
CAL 3
FUNCTION : Setting Weight In Span Calibration
RANGE ---> 1 ~ 99,999 kg/lb
Key Display Description
: Increase of no.▲
:Shiftofdigit◀
ENTER :Store and
move to the next menu.
CAL 3
Maximum capacity
of CAL 1
(ex:10000)
Setting weight
(ex: 100)
CAL 3 condition
10000 kg/lb
100 kg/lb
Ref 1. The weight shall be within the range of 1 % 100 % of maximum weight.～
Ref 2. If the Setting Weight is under the 1% 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.
Ref 4. If you press Enter key, it will be moved to CAL 4.
CAL 4
FUNCTION : Zero Calibration Function
Key Display Description
ENTER:
Zero calibration and
move into next menu.
CAL 4 CAL 4 condition
UnLOAd Unload the tray and press Enter key.
A/D value Display A/D Value.
Press Enter key.
----- Under zero calibration
GOOd
Zero calibration is completed.
The program moves into Span
calibration automatically.

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CAS Portable Wheel Scale
Ref 1. If Zero calibration is done without any error, GOOD message is
displayed ,and program automatically moves to CAL 5.
Ref 2. If the zero value is too high, ERROR message (ERR 26) is displayed.
Ref 3. Zero calibration can be done independently. If you press ZERO key
instead of Enter key, zero calibration will perform.
After that, it will be moved to SAVE & EXIT mode.
CAL 5
FUNCTION : Span Calibration Function
Key Display Description
ENTER:
Span calibration and
Move to the next menu.
CAL 5 CAL 5 Condition
LOAd Load the weight which was set in
CAL 3.
Setting weight It is displayed the setting
weight. And then, press Enter key.
------ Under span calibration.
GOOd
Span calibration is completed.
Check whether the displayed weight
is same with setting weight.
Save
Calibration is completed.
Under this condition, release the
load.
Press the "ENTER" key to save
the value.
Ref 1. If Span calibration is done without any error, GOOD message is displayed
The weight of setting weight is displayed on Display screen.
Check the weight.
Ref 2. If the span is low, Error message (ERR 24) is displayed.
Calibrate with lower resolution.
Ref 3. After setting the exact value, remove the setting weight and Press the
"ENTER" key to save the value.
Ref 4. In case of setting F13, it can be moved to another Platform.
If all of platform is finished, it will be moved to Normal Mode.

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CAS Portable Wheel Scale
8. Gravity compensation
(1) HOW TO ENTER
Turn on the Power while pressing the
ZERO
key, and then press TRUCK
No.
(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.
FUNCTION : Gravity setting
RANGE ---> 9700~9900
KEY LCD DISPLAY DESCRIPTION
: Increase of no.▲
: Shift of digit◀
LIGHT : Store and
move into next menu
GRAV1
9798
GRAV2
9812
Gravity constant in the calibration
it means 9.798 ㎨
Gravity constant in the work place
it means 9.812 ㎨