Modbus gate
Modbus RTU to Modbus TCP gateway.
Usage: mb_gate -port /dev/ttyUSB0 -speed 9600 -tcp_port 1502
Protocol description
Address |
Description |
0x4000 |
device address (read/write) |
0x04 |
firmware month |
0x08 |
firmware year |
0x10 |
firmware hour, minute |
0x20 |
pcb version |
Address |
Description |
0x01 |
relay1 (0x100 = on?) |
0x02 |
relay2 (0x100 = on?) |
0x03 |
relay3 (0x100 = on?) |
0x04 |
relay4 (0x100 = on?) |
0xff |
all (0xffff = on?) |
Address |
Description |
0x1 |
device address |
Address |
Description |
0x10 |
relay1 |
0x11 |
relay2 |
0x12 |
relay3 |
0x13 |
relay4 |