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Summary of Contents for MARcus TD-W2
- Page 1 Digital Weight Indicator TD-W2 User Guide...
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Page 4: Table Of Contents
Table of Content 1 Introduction ..................... 1 1.1 Warnings ......................1 1.2 Features ......................1 1.3 Specifications ....................2 1.4 Functions ......................3 1.5 Options ......................4 2 Installation ......................4 2.1 Dimensions ...................... 4 2.1.1 Indicator ........................4 2.1.2 Mounting Bracket ..................... 4 2.2 Front Panel ...................... - Page 5 3.5.2 Peak Hold ....................... 10 3.6 User-defined Function ................... 10 3.6.1 Sleep ........................10 3.6.2 Delay Hold (Animal Weighing) ................10 3.6.3 Extended Resolution View ..................10 3.6.4 Conversion Code View ..................11 3.7 Set-point ......................11 4 Calibration ..................... 12 4.1 Calibration Operation ..................
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Page 6: Introduction
Digital Weight Indicator User Guide Please read this manual carefully before operating the indicator. 1 Introduction 1.1 Warnings Failure to heed may result in serious injury or death. DO NOT allow children or inexperienced persons to operate the indicator. DO NOT operate without all shields and guards in place. DO NOT step on the unit. -
Page 7: Specifications
Digital Weight Indicator User Guide 1.3 Specifications Analog Performance Accuracy Class III Class (eqv. to OIML R76) Full Scale Input Signal -11.7 ~ +11.7 mV Loadcell Excitation Voltage 3.00±3% Vdc (typ.) Number of Loadcells 4X350 ohm; 8X700 ohm Input Impedance 1M ohm (typ.) Internal Resolution 1 000 000 counts... -
Page 8: Functions
Digital Weight Indicator User Guide Power Supply AC Power Supply 110/115 or 220/230Vac; 50 or 60Hz Fusing 1.1A PPTC resettable fuse Internal Battery 6V4.0Ah acid-lead rechargeable battery Low Battery Caution 5.80 Vdc (typ.) Low Battery Auto Power-Off 5.60 Vdc (typ.) Battery Life 50 ~ 130 hours (typ.) Battery Charging Cycles... -
Page 9: Options
Digital Weight Indicator User Guide 1.5 Options Options which you may have ordered with this indicator include: ● kg/lb measurement unit switch function ● One RS-485 communication port ● Built-in full time and date stamping clock ● Extended serial interface printer ●... -
Page 10: Front Panel
Digital Weight Indicator User Guide 2.2 Front Panel 2.2.1 LED Display Low Battery Set-point Status Weighing Status Weight Readings & Messages 2.2.2 LCD Display Weight Readings & Messages Weighing Status Set-point Status Battery Status 2.2.3 Keypad On/Off User-defined Function Zero Hold / Peak Hold Tare In / Tare Out / Tare View Total / Total View... -
Page 11: Annunciators
Digital Weight Indicator User Guide 2.2.4 Annunciators Zero shows if weight is within center of zero (+/- 0.25d) shows if weight is in NET mode Stable shows if load is stable Hold shows if weight reading is locked in HOLD mode Peak-Hold shows if weight reading is locked in PEAK-HOLD mode View Total... -
Page 12: Loadcell Cabling
Digital Weight Indicator User Guide 2.3.1 Loadcell Cabling Pin3: Shield Pin1: Exc- (Sen-) Pin5: Exc+ (Sen+) Pin9: Sig+ Pin6: Sig- 2.3.2 RS-232 & RS-485 Cabling Pin3: TXD Pin5: GND Pin2: RXD Pin1: A Pin4: B 2.4 Built-in Battery This indicator has a built-in 6V4.0Ah rechargeable maintenance-free lead-acid backup battery. Depending on the configuration of display luminance and sleep timing, loadcell resistance and daily operations, battery works from 50 hours to 130 hours. -
Page 13: Operation
Digital Weight Indicator User Guide 3 Operation 3.1 Power On / Off When powred off Press 1s to power on the indicator. Indicator starts with power-on beeping, and 9 to 0 count-down display. It then performs weight detection until load is stable. Finally, the indicator Auto Zeros the scale if possible. ------ keeps showing, check if the load is in motion, the loadcell cable connection is loosen, loadcell is defective, and re-calibrate the scale if... -
Page 14: Tare View
Digital Weight Indicator User Guide In NET mode Press to tare out the weight. hides, indicating weight is in GROSS mode. 3.3.3 Tare View In NET mode Press 1s to view the stored tare weight in 5s. 3.4 Total For accumulation of multiple weighments, the indicator’s accumulator always uses the displayed weight, so GROSS and NET readings are added into the same memory. -
Page 15: Peak Hold
Digital Weight Indicator User Guide unloaded. In HOLD mode, the indicator still calculates actual weight in background, therefore, all functions like set-point capturing, serial port output, etc., still work normally. In WEIGHING mode Press to lock the weight reading. shows. -
Page 16: Conversion Code View
Digital Weight Indicator User Guide Press to start Extended Resolution View. 3.6.4 Conversion Code View Usually used in linearity testing, Conversion Code View enables user to read indicator’s internal ADC conversion code for 5s. After 5s, display resumes normal. Press to start Conversion Code View. -
Page 17: Calibration
Digital Weight Indicator User Guide 4 Calibration config Display resolution and capacity shall be set in menu. 4.1 Calibration Operation It is NOT recommended to do the calibration unless you are authorized from your local representative and with accurate test weight system of adequate capacity. Step 1. -
Page 18: Calibration Flowchart
Digital Weight Indicator User Guide 4.2 Calibration Flowchart No Load l oad0 543210 Conversion Code Apply Weight Input Weight l oad1 000000 765432 Conversion Code return to WEIGHING mode 5 Configuration 5.1 Menu Navigation In WEIGHING mode config Press 1s to enter Configuration menu, shows. -
Page 19: Parameter Overview
Digital Weight Indicator User Guide 5.2 Parameter Overview Name Unit Options Auto-OFF Timing min. SLeeP Timing sec. Display LUminance level sleep : enter SLEEP mode, ext d : Extended Resolution View, User-defined Function d hd : Delay Hold (Animal Hold), code : Conversion Code View )001... -
Page 20: Communication
Digital Weight Indicator User Guide 6 Communication This indicator is equiped with a standard full duplex RS-232 (optional) and RS-485 (optional) serial communication port, intended for interfacing extended printer, scoreboard and computer, etc. Communication state, baudrate and output data type can be configured in Configuration menu. 6.1 Communication Format The indicator outputs data in the format 8N1, which is 1-bit start flag, 8-bit data, 1-bit stop flag, and no checking bit. -
Page 21: Appendix
Digital Weight Indicator User Guide 7 Appendix 7.1 Message ------ power-up weight detection over scale is overloading blinking in Sleep mode (LED display) caloff before Calibration, the Calibration Switch must be set to ON state cal on after Calibration, the Calibration Switch must be set to OFF state error invalid operation save and exit from Configuration or Calibration... -
Page 22: Troubleshooting
Digital Weight Indicator User Guide 7.3 Troubleshooting Simple problems can be resolved as below listed solutions. If problems still exist, please contact your local representative for help. Symptom Possible Cause Suggested Solution discharged or defective battery charge battery power switch is set to OFF set power switch to ON not power-on after press harder and keep pressing... -
Page 23: Note
Digital Weight Indicator User Guide 7.4 Note Page 18 of 18...
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