The library MRTU_NJ_Master allow to send Modbus RTU request.
The SCU serial port should be set to ‘Serial Gateway’ mode and 8 data bits.
List of implemented function code:
Code | Modbus Function | Function Block |
0x01 | Read Coils | MRTU_NJ_Fn01 |
0x02 | Read Discrete Inputs | MRTU_NJ_Fn02 |
0x03 | Read Holding Registers | MRTU_NJ_Fn03 |
0x05 | Write Single Coil | MRTU_NJ_Fn05 |
0x06 | Write Single Register | MRTU_NJ_Fn06 |
0x10 | Write Multiple Registers | MRTU_NJ_Fn10 |

Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article