Group Four Transducers GLDM 64.1, Technical Manual, Page: 2 / 50

GLDM 64.1 Technical Manual rev. 1.30 February
2020 Page 2 of 50
1. Table of Contents:
1. Table of Contents: ..................................................................................................................................... 2
2. Safety Instructions .................................................................................................................................... 5
Introduction and Specifications ............................................................................................................... 7
3. Hardware and Wiring ................................................................................................................................. 8
3.1. Housing & Terminals .................................................................................................................................... 8
3.2. Terminals Load Cell Connection .................................................................................................................... 8
3.3. Load Cell Connection ................................................................................................................................... 8
3.4. Terminals Power Supply ............................................................................................................................... 9
3.5. Service Port RS 232 ..................................................................................................................................... 9
3.6. CANbus Interface ........................................................................................................................................ 9
3.7. Seal Switch ............................................................................................................................................... 10
3.8. Logic Inputs & Outputs .............................................................................................................................. 10
4. Communication and Getting started ..................................................................................................... 11
4.1. Serial Interface .......................................................................................................................................... 11
4.2. Command Language .................................................................................................................................. 11
4.3. Baud Rate ................................................................................................................................................. 11
4.4. Getting Started .......................................................................................................................................... 11
5. Commands
– Overview ........................................................................................................................... 12
6. Commands Description .......................................................................................................................... 14
6.1. System Diagnosis Commands – ID, IV, IS, SR, RS ........................................................................................ 14
6.1.1. ID Get Device Identity .................................................................................................................................... 14
6.1.2. IV Get Firmware Version ................................................................................................................................ 14
6.1.3. IS Get Device Status ...................................................................................................................................... 14
6.1.4. SR Software Reset ......................................................................................................................................... 15
6.1.5. RS Read Serial Number ................................................................................................................................. 15
6.2. Calibration Commands – CE, CM n, CI, MR, DS, DP, CZ, CG, ZT, FD, IZ, ZR, ZI, TM, TN, ZN, AZ, AG, CS ........... 15
6.2.1. CE Read TAC* Counter / Open Calibration Sequence ................................................................................... 15
6.2.2. CM n Set Maximum Output Value ................................................................................................................ 15
6.2.3. CI Set Minimum Output Value ........................................................................................................................ 16
6.2.4. MR Set Multi-range / Multi-interval ................................................................................................................. 16
6.2.5. DS Set Display Step Size ............................................................................................................................... 16
6.2.6. DP Set Decimal Point Position ....................................................................................................................... 16
6.2.7. CZ Set Calibration Zero Point......................................................................................................................... 17
6.2.8. CG Set Calibration Gain (Span) ..................................................................................................................... 17
6.2.9. ZT Enable / Disable Zero Tracking ................................................................................................................. 17
6.2.10. FD Reset to Factory Default Settings ............................................................................................................. 17
6.2.11. IZ Correction of System Zero ...................................................................................................................... 18
6.2.12. ZR Zero Range............................................................................................................................................... 18
6.2.13. ZI Initial Zero Range ....................................................................................................................................... 18
6.2.14. TM Tare mode ............................................................................................................................................. 18
6.2.15. TN Set / Clear Non-Volatile Tare .................................................................................................................... 19