Eastron SDM630MCT-ML - Communication; 4.1 RS485 Bus Connection; 4.2 Protocol of Single Communication Address Mode; 4.3 Protocol of Multi Communication Addresses Mode

SDM630MCT-ML User Manual V1.2
2019 EASTRON ELECTRONIC. ALL RIGHTS RESERVED. www.eastrongroup.com
3.4.7 CT1 setup .......................................................................................................................... - 13 -
3.4.8 Demand Interval Time setup ............................................................................................ - 14 -
3.4.9 Backlit Power Time Setup ................................................................................................. - 14 -
3.4.10 System Type Setup ......................................................................................................... - 14 -
3.4.11 Password Modification Setup......................................................................................... - 15 -
3.4.12 CT Reverse Connect Correction ...................................................................................... - 15 -
3.4.13 Reset ............................................................................................................................... - 16 -
Chapter 4. Communication ......................................................................................................- 16 -
4.1 RS485 Bus Connection ............................................................................................................. - 16 -
4.1.1 Internal Pinout for Communication RS485 Port ............................................................... - 16 -
4.1.2 Connection Diagram for Communication ......................................................................... - 17 -
4.2 Protocol of Single Communication Address Mode ................................................................. - 17 -
4.2.1 Input Registers, Function code (Hex): 04 ......................................................................... - 17 -
4.2.2 Holding Register, Function code (Hex): 03(read) / 10(write) ........................................... - 20 -
4.3 Protocol of Multi Communication Addresses Mode ............................................................... - 24 -
4.3.1 Input Register, Function code (Hex): 04 ........................................................................... - 24 -
4.3.2Holding Register，Function code (Hex) : 03(reade) / 10(write) ....................................... - 27 -
4.4 Example ................................................................................................................................... - 30 -