ICP DAS USA I-7530A-MR-FD, User Manual, Page: 3 / 113

I-7530A-MR-FD Modbus RTU to CAN
Converter User’s Manual (Version 1.0, 08/2022) ------------- 3
4.2 TIIIL[CHK]<CR> .......................................................................................... 53
4.3
eIIIIIIIILDD…[CHK]<CR>
............................................................................ 54
4.4 EIIIIIIIIL[CHK]<CR> .................................................................................... 54
4.5 S[CHK]<CR> ............................................................................................... 55
4.6 P0BBDSPCR[CHK]<CR> ........................................................................... 56
4.7 P1B [CHK]<CR> ......................................................................................... 59
4.8 P2BBBBB[CHK]<CR> ................................................................................ 60
4.9 RA[CHK]<CR> ............................................................................................ 61
4.10 General Error code for all command ....................................................... 62
5. Modbus Slave Mode ...................................................................................................... 63
5.1 Supported Modbus Functions .................................................................. 65
5.2 Modbus Address ....................................................................................... 66
5.2.1 Using Modbus RTU command to get a CAN Message .............................. 84
5.2.2 Using Modbus RTU command to send a CAN message ........................... 86
5.2.2.1 Using function Code 10
hex
to send a CAN message ...................... 86
5.2.2.2 Using function Code 06
hex
to send a CAN message ...................... 88
5.2.3 Using Modbus RTU command to get a Specific CAN Message................. 91
5.2.4 Using Modbus RTU command to configure module .................................. 92
5.3 Modbus Exception Codes ......................................................................... 94
6. Modbus Master Mode ................................................................................................... 95
6.1 Supported Modbus Functions .................................................................. 95
6.2 IO Memory Size .......................................................................................... 95
6.3 Configuration and Operation .................................................................... 96
6.3.1 Modbus Read Configuration ...................................................................... 97
6.3.1.1 Modbus Read Command .................................................................. 98
6.3.1.2 Response CAN Message Configuration ....................................... 101
6.3.2 Modbus Write Configuration .................................................................... 104
6.3.3 Common Configuration ............................................................................ 109
7. Troubleshooting .......................................................................................................... 112