Totalcomp TWP Series Service Manual
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Totalcomp TWP Series Service Manual

Weighing indicator
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TWP series
Weighing Indicator
Service Manual

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  • Page 1 TWP series Weighing Indicator Service Manual...

  • Page 2: Table Of Contents

    TWP Weighing Indicator Service Manual CONTENTS 1. SPECIFICATIONS….………………………………………………………..3 2. INSTALATION AND PRECAUTIONS………………………………………..4 Load cell connection..………………………………………………..4 Power operation……………………………………………………………………..5 Battery operation…………………………………………………………………….5 3. NAME AND FUNCTIONS..………………………………………..……..6 Overall view…………………………………………………………………………..6 Display………………………………………………………………………………..6 Key board…………………………………………………………………………….7 4. OPERATION.…………………………………………………………….…….8 Power ON/OFF………………………………………………………………………8 Zero…………………………………………………………………………………...8 Tare…………………………………………………………………………………...8 Sample Weighing……………………………………………………………………8 Check Weighing……………………………………………………………………..9 Enter to Menu………………………………………………………………………..9 Set Limits…………………………………………………………………………..9 Set check weighing mode.

  • Page 3: Specifications

    TWP Weighing Indicator Service Manual 1. SPECIFICATIONS Model Resolution 1/30,000 Indicator housing ABS Plastic Stabilisation Time 1 Seconds typical Operating Temperature 0°C ~ +40°C / 32°F - 104°F AC Adaptor (12V/500mA) / Power supply (external) Ni-MH battery (1.2V/1200mAh x 6) Calibration Automatic External Display...

  • Page 4: Instalation And Precautions

    TWP Weighing Indicator Service Manual 2. INSTALLATION AND PRECAUTION  The weighing indicator is a precision electronic instrument. Handle it care fully.  Don’t install the scale in direct sunlight.  Avoid sudden temperature changes, vibration, wind and water.  Avoid sudden and jerky acceleration of the load. ...

  • Page 5: Power Operation

    TWP Weighing Indicator Service Manual Power Operation Power is supplied through the external mains adaptor (9 VDC / 800mA). The mains supply voltage should be the same as local voltage. Battery Operation  To charge the battery insert the adaptor pin to jack. Adaptor simply plug into the mains power.

  • Page 6: Name And Functions

    TWP Weighing Indicator Service Manual 3. NAME AND FUNCTIONS Overall View Display DISPLAY FUNCTION Check weighing ZERO Indicator for Zero display TARE Indicator for Tare display GROSS Indicator for Gross weight Indicator for Net weight STABLE Indicator for Display stability AUTO Indicator for Auto Accumulation Indicator for Accumulation...
  • Page 7 TWP Weighing Indicator Service Manual FUNCTION Turn the power On/ Off Used to reset to Zero. In setting mode can use to confirm entry Used to recording tare values and change the value from gross value to net value. Insetting mode can use to increase the value and scroll forward in menu.

  • Page 8: Operation

    TWP Weighing Indicator Service Manual 4. OPERATIONS Initial Start – Up: Warm-up time of 15 minutes stabilizes the measured values after switching on. Power ON/OFF: Switch on the balance by pressing key. The display is switched on and the test is started and if want to switched off, press again the key.

  • Page 9: Check Weighing

    TWP Weighing Indicator Service Manual 5. Check Weighing It can set an upper or lower limit when weighing with the limits range. During the limit controls dividing the unit will indicate whether a value upper or lower limits with an alarm sound . For details see the parameter F3 oFF. ...

  • Page 10: Accumulation

    TWP Weighing Indicator Service Manual Press key to enter, press Check mode 1 Check mode 2 Check mode 3 Select desired setting by pressing and press key to confirm, press to escape. Note: The load weight must greater than 20 scale divisions for the check weighing operations.

  • Page 11: Accumulation Automatically

    TWP Weighing Indicator Service Manual Accumulated Total Manually, the scale can be set to accumulation by pressing , when an optional printer is connected. See details in F4 Prt. Memory Recall When display of Zero, you can see the number of weighing and total weight by pressing , display will be shown for two seconds.

  • Page 12: Animal Weighing

    TWP Weighing Indicator Service Manual 11. Animal Weighing TWP can use for vibrate loads. For this function, set to parameter P4 CHk to ModE 2 After select this function, display indicator ANIMAL will be shown.  Bring the load on to the platform. ...

  • Page 13: Parameter

    TWP Weighing Indicator Service Manual 5. PARAMETER KEYS OPERATIONS INTO THE MENU Enter the menu  In weighing mode, press key and key together. Select the menu  Press , it can change the menu block one by one.  Using increase the digit. Enter the selected menu ...

  • Page 14: Parameter Block

    TWP Weighing Indicator Service Manual PARAMETER BLOCK Menu Sub- Description Menu SET Lo Lower limit value F0 H-L SET Hi Weighing Upper limit value. with set limits to CLr Clear the accumulation memory with out printout to P-C Print the total accumulation memory and clear the F1 toL total memory to Prt...
  • Page 15 TWP Weighing Indicator Service Manual b4800 and b9600 If necessary change the baud rate by pressing and enter by pressing Set print out format If enter settings p prt, p auto, p cont and connected optional printer Pr X Only for p prt, p Print format auto format Lab X...
  • Page 16 TWP Weighing Indicator Service Manual PROGRAM PARAMETERS Description Menu A2n 0 0.5d Auto zero point settings P1 ref P1 0 0 – Zero setting range. auto P1 2 When the display is turn on the scale is set to zero P1 5 P1 10 P1 20...
  • Page 17 TWP Weighing Indicator Service Manual Reset Factory default settings Set the local gravity P4 chk Mode Normal weighing mode. (check weighing, accumulation) Mode Animal weighing mode. (scale can lock reading, when little unstable) Mode This is a subtraction scale (print out “-“ weight) Mode Peak Hold mode.

  • Page 18: Rs232 Out Put

    TWP Weighing Indicator Service Manual 6. RS-232 OUTPUT TWP series scales can take out data through RS 232 output. Specifications: RS-232 output of weighing data Code : ASCII Data bits : 8 data bits Parity : No Parity Baud rate...
  • Page 19 TWP Weighing Indicator Service Manual Con2: Head Head Head Head Weig Weig Weig Weig Weig Weig Termin Termin Tare1 Tare2 Tare3 Tare4 Tare5 Tare6 ator1 ator2 Header0=02H Header1 follow decimal point Decimal point=0, header1=22H Decimal point=1, header1=23H Decimal point=2, header1=24H Decimal point=3, header1=25H Decimal point=4, header1=26H Header2 follow weigh status, default value=20H...

  • Page 20: Calibration

    TWP Weighing Indicator Service Manual 7. CALIBRATION Fo h-l  In weighing mode, press key and key together.  Press prog continuous until display will be shown.  Press , display will be shown.  Enter the password. Press P1 ref Display will be shown P 2 cal ...
  • Page 21 TWP Weighing Indicator Service Manual  Enter the function by pressing , display will be shown 05.000 kg Currently adjustment  If want to change by using the keys select the required setting  Enter the selected setting by pressing Load kg display will be shown.
  • Page 22 TWP Weighing Indicator Service Manual  Load the first calibration mass weight on the platform (mass weight should be1/3 of the max capacity) and wait few seconds for display stability. Load 2kg  Then press , display will be shown ...

  • Page 23: Maintenance

    TWP Weighing Indicator Service Manual 8. MAINTENANCE CLEANING Disconnect the power before cleaning. Use a cloth with mild suds and light cleaning agents. Make sure that fluid not able to get into the device. Use a clean and soft cloth for rub off. ERROR CODES Error Message Description...
  • Page 24 TWP Weighing Indicator Service Manual OL or( -------) appear the display:  Maximum capacity exceeded.  Power supply faulty. Check all power cables and connecters.  Calibrate again with correct calibration weights.  Check load cell connections.  Load cell damaged. (------) or Lo: ...
  • Page 25 TWP Weighing Indicator Service Manual Cannot use full scale capacity:  Before weighing make sure zero indication is showing and scale is empty.  Check the weighing mode.  Check the load cell if it is fitting properly and avoid to touch housing or hitting scale.

  • Page 26: Circuit Diagram

    TWP Weighing Indicator Service Manual 9. CIRCUIT DIAGRAM Indicator Circuit Diagram - 26 -...
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  • Page 31: Quick Set Up

    TWP Weighing Indicator Service Manual Quick Set Up Load cell Connector (5 pin connector) RS-232 output RS-232 Data specifications Pin 5 Pin 3 8 data bits (cannot be EX + changed) Pin 4 Pin 2 No Parity (cannot be EX - changed) Sig + Pin 1...

  • Page 32: Quick Calibration

    TWP Weighing Indicator Service Manual Quick Calibration Calibration: Press UNIT and PRINT/M+ button at the same time when you are in weighing mode. Press TARE until display shows ProG Press ZERO key and press G/N; UNIT; ZERO to enter into programming. Press TARE until display shows P 2 CAL then press ZERO Press TARE until you see CAL on the display.
  • Page 33  Truck scale.  Crane scales.  Weighing indicator for platform scales, floor scales and truck scales.  Hand push and pull gauge.  Customize auto weighing systems. Totalcomp Inc. Tel.: 800-631-0347 99 Reagent Lane Fax: 888-797-2288 Fair Lawn, NJ 07410 All information contained within this publication was to the best of our knowledge timely, complete and accurate when issued.

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