Modbus Slave Serial
Modbus TCP
The following settings are special to Modbus TCP mode of the serial port.
| Setting | Description | Default |
|---|---|---|
| Enable | Enable Modbus TCP | disable |
| Port | Listen Port, range 1-65535 | 502 |
| DI Address | DI Address, range 0-255 | 0 |
| DO Address | DO Address, range 0, 2-255 | 0 |
Modbus RTU
The following settings are special to Modbus RTU mode of the serial port.
| Setting | Description | Default |
|---|---|---|
| Enable | Enable Modbus RTU | disable |
| Serial Port | Serial port, range 1-65535 | |
| Slave ID | Slave ID on the link | 1 |
| DI Address | DI Address, range 0-255 | 0 |
| DO Address | DO Address, range 0, 2-255 | 0 |
Modbus RTU Over TCP
The following settings are special to Modbus RTU Over TCP mode of the serial port.
| Setting | Description | Default |
|---|---|---|
| Enable | Enable Modbus RTU Over TCP | disable |
| Slave ID | Slave ID on the link | 1 |
| Device ID | Device ID on the link | 1 |
| Reconnect Interval | Client reconnect when lost connection, in seconds | 1 |
| DI Address | DI Address, range 0-255 | 0 |
| DO Address | DO Address, range 0, 2-255 | 0 |
| Server List | List of Modbus server address and port |