Totalcomp TRWS Series Service Manual
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Totalcomp TRWS Series Service Manual

Weighing indicator
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TRWS series
Weighing Indicator
Service Manual

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Summary of Contents for Totalcomp TRWS Series

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

  • Page 2: Table Of Contents

    TRWS indicator user’s manual Table of Contents SECTION 1 INTRODUCTION……………………………………………………………1 SECTION 2 SPECIFICATIONS……………………………………………………..……2 SECTION 3 INSTALLATION……………………………………………………………….3 SECTION 4 KEY DESCRIPTIONS………………………………………………………5 SECTION 5 DISPLAYS…………………………………………………………………….6 SECTION 6 OPERATION…………………….……………………………………….…..7 6.1 Zeroing the display………………………………………………………………….7 6.2 Taring……………………………………………………………………………..…….7 6.3 Weighing a sample…….………………………………………………….………….7 6.4 Check-weighing…………………………………………………………………….8 6.5 Accumulated total……………………………………………………………………….9 SECTION 7 PARAMETERS………………………………………………………………10 SECTION 8 BATTERY OPERATION………………………………………………..…13 SECTION 9 RS-232 OUTPUT…………………………………………………………..14...

  • Page 3: Section 1 Introduction

    TRWS indicator user’s manual SECTION 1 INTRODUCTION The TRWS series of weighing indicator provides an accurate, fast and versatile series of general purpose weighing scale with unit conversion and check-weighing functions. All the keypads are sealed, color coded membrane switches and the displays are large easy to read liquid crystal type displays (LCD).

  • Page 4: Section 2 Specifications

    TRWS indicator user’s manual SECTION 2 SPECIFICATIONS Model TRWS Resolution Up to 30,000 Interface RS-232 Output Stabilisation Time 1 Seconds typical Operating Temperature 0°C - 40°C / 32°F - 104°F Power supply (external) 115 / 230 Vac, 120 / 240 Vac, 50/60Hz, 10 watts Calibration External Display...

  • Page 5: Section 3 Installation

    Keep the indicator clean. Do not stack material on the scales when they are not in use. INSTALLATION OF TRWS SERIES Please make the load cell connector from the load cell follow the drawing below Attach the AC power adapter to the connector on the back of the indicator.

  • Page 6: Section 4 Key Descriptions

    TRWS indicator user’s manual SECTION 4 KEY DESCRIPTIONS Zero Set the zero point for all subsequent weighing. The display shows zero. A secondary function , of "Enter" key when setting parameters or other functions. Tare Tare the scale. Stores the current weight in memory as a tare value, subtracts the tare value from the weight and shows the results.

  • Page 7: Section 5 Displays

    TRWS indicator user’s manual SECTION 5 DISPLAYS The LCD display will show a value and a unit to the right of the digits. In addition there are labels for TARE, GROSS weight, Zero and for Low battery Battery Check weighing Weighing unit Stable...

  • Page 8: Section 6 Operation

    TRWS indicator user’s manual SECTION 6 OPERATIONS 6.1 Zeroing the Display You can press the ZERO key at any time to set the zero point from which all other weighing and counting is measured, within 4% of power up zero. This will usually only be necessary when the platform is empty.

  • Page 9: Accumulated Total

    TRWS indicator user’s manual Check mode 2: When check range, the display will show OK and the beeper will sound when the weight is between the limits. Check mode 3: When check range, the display will show OK and the beeper will sound when the weight is out of the limits.
  • Page 10 TRWS indicator user’s manual The display will show "ACC 1" and then the total in memory for 2 seconds before returning to normal. (After do accumulate operate, PRINT indicator will turn on) If the optional RS-232 interface is installed the weight will be output to a Printer or PC. Remove the weight, allowing the scale to return to zero and put a second weight on.
  • Page 11 TRWS indicator user’s manual Turn on power, scale will show “err4”, then show current total weight on platform, press TARE key, display show 0.00, then remove goods in hopper, display will show it’s weight in “-“ mode, press PRINT/M+ key, scale will print out weighing ticket, mode3/mode4 only different is print format.

  • Page 12: Section 7 Parameters

    TRWS indicator user’s manual SECTION 7 PARAMETERS The scale has 6 parameters that can be set by the user plus a method of entering the calibration section. Press the UNIT key and PRINT/M+ key together in the weighing mode and release it when indicator beeps.
  • Page 13 TRWS indicator user’s manual FUNCTION MENU SETTINGS DEFAULT FUNCTION SUB-FUNCTION DESCRIPTION VALUE F4 Prt Set the RS-232 , at first set RS-232 working mode P Prt (press TARE key to change, press ZERO key to enter) P Prt: print weighing ticket when the PRINT/M+ key is pressed, P Cont: send weighing data continuously, connect to PC ,...
  • Page 14 TRWS indicator user’s manual Print out format form 1 (for TpuP printer) 0.666kg 0.222kg 0.222kg GS: 0.888kg TW: 0.222kg TOTAL: 0.222kg 0.666kg GW: 0.888kg 0.888kg TOTAL: 0.222kg -12-...

  • Page 15: Section 8 Battery Operation

    TRWS indicator user’s manual SECTION 8 BATTERY OPERATIONS The weighing indicator can be operated from the battery if desired. The battery life is approximately 35 hours. When the battery needs charging a symbol on the weight display will show an empty battery outline symbol.

  • Page 16: Section 9 Rs-232 Output

    TRWS indicator user’s manual SECTION 9 RS-232 OUTPUT The TRWS indicator with RS-232 output. 9.1 Basic information Specifications: RS-232 output of weighing data ASCII code 8 data bits No Parity Baud rate from 600bps to 9600bps Connector: 9 pin d-subminiature socket Pin 2: Input, Pin 3: Output Pin 5: Signal Ground...
  • Page 17 TRWS indicator user’s manual 9. 3 continuously output protocol con1: weighing mode ， CR LF -HEADER1-- - HEADER2- --- WEIGHT DATA -- -WEIGHT UNIT- TERMINATOR con1: counting mode ： CR LF - QTY - -QTY UNIT- HEADER1: ST=STABLE， US=UNSTABLE HEADER2: NT=NET， GS=GROSS Con2: Head Head...

  • Page 18: Section 10 Calibration

    TRWS indicator user’s manual SECTION 10 CALIBRATION Press UNIT key and PRINT/M+ key together when normal weighing mode and release it when indicator beeps, display shows “F0 H-L”, press TARE key until display shows “PrOG”, press ZERO key once, display shows “Pin”, press momentarily G/N、 then UNIT、then ZERO key to enter setting mode, press TARE key until you see"p2 CAL", press ZERO key to enter.
  • Page 19 TRWS indicator user’s manual If the problem persists then contact your dealer. After calibration the scale should be checked to verify the calibration and linearity is correct. If necessary repeat calibration, especially be certain the scale is stable before accepting any weight.

  • Page 20: Section 11 Error Code

    - - - - - Over range Remove weight from the scale. If the problem persists contact your dealer Totalcomp Inc. Err 4 Zero Setting Error The scale was outside the normal zero setting range either when it was turned on or when the ZERO key was pressed.

  • Page 21: Section 12 Technical Parametes

    TRWS indicator user’s manual SECTION 12 TECHNICAL PARAMETERS Press UNIT key and PRINT/M+ key together when normal weighing mode, display shows “F0 H-L”, press TARE key until display shows “PrOG”, press ZERO key, display shows “PIN”, press momentarily G/N、then UNIT、then ZERO key to enter setting mode, press TARE key to select parameter, press ZERO key to enter into Function and Sub-function, press UNIT key to escape.
  • Page 22 TRWS indicator user’s manual Quick Start TRWS indicator Load cell Connector (5 pin RS-232 Data specifications RS-232 output connector) EX + Pin 5 Pin 3 8 data bits (cannot be changed) Pin 4 Pin 2 No Parity (cannot be changed) EX - Sig + Pin 1...
  • Page 23 TRWS indicator user’s manual 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 24 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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