Sub-Fc 03 (0X03): Get The Software Modbus Address Of The Module - ICP DAS USA IR-310-RM User Manual

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5.4.2 Sub-FC 03 (0x03): Get the software Modbus address of the module.

‧Request
Byte order Description Size
00 Address
01 FC
02 Sub-FC
‧Response
Byte order Description Size
00 Address
01 FC
02 Sub-FC
03 SW Net ID
04 Reserved
Note:
1. Rotary switch position 0x01~0x0F is for setting the hardware Modbus address (Net
ID) = 0x01 ~ 0x0F.
2. Rotary switch position 0x00 is for software Modbus address (Net ID) = 1 ~ 247.
3. If hardware Modbus addresses are applied, software Modbus addresses are
ineffective.
IR-310-RM, IR Controlled 10-ch High Power Relay Module (Ver. 1.1, Jul/02/2013) 35
Value
1 Byte 1 ~ 247 (Net ID)
1 Byte 0x64
1 Byte 0x03
Value
1 Byte 0x0 ~ 0xF7 (1 ~ 247) (Net ID)
1 Byte 0x64
1 Byte 0x03
1 Byte 0x0 ~ 0xF7 (1 ~ 247) (Net ID)
1 Byte 0x00