Schneider
Schneider MODBUS RTU
HMI Setting
| Parameters | Recommended | Notes |
|---|---|---|
| Protocol | Schneider MODBUS RTU | |
| Connection | RS485 | |
| Baud rate | 19200 | |
| Data bit | 8 | |
| Parity | Even | |
| Stop bit | 1 | |
| PLC station No. | 1 |
PLC Setting
| Communication mode | Modbus RTU protocol |
|---|
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | IX | DDDDDo | 0 ~ 655357 | Input bit (read only) |
| B | QX | DDDDDo | 0 ~ 655357 | Write multiple coils |
| B | MX | DDDDDDo | 0 ~ 9999997 | Output register bit (octal) |
| W | MW | DDDDDD | 0 ~ 999999 | Output register |
| DW | MD | DDDDDD | 0 ~ 999999 | Output register |
Wiring Diagram
RS-485 2W (RJ45 Connector): The following is the view from the soldering point of a connector.
Schneider TM218 series
HMI Setting
| Parameters | Recommended | Notes |
|---|---|---|
| Protocol | Schneider MODBUS RTU | |
| Connection | RS485 | |
| Baud rate | 19200 | |
| Data bit | 8 | |
| Parity | Even | |
| Stop bit | 1 | |
| PLC station No. | 1 |
Device Address
| Bit/Word | Device type | Format | Range | Memo |
|---|---|---|---|---|
| B | IX | DDDDDo | 0 ~ 655357 | Input bit (read only) |
| B | QX | DDDDDo | 0 ~ 655357 | Write multiple coils |
| B | MX | DDDDDDo | 0 ~ 9999997 | Output register bit (octal) |
| W | MW | DDDDDD | 0 ~ 999999 | Output register |
| DW | MD | DDDDDD | 0 ~ 999999 | Output register |
Configure the communication protocol
PLC Setting:
Open SoMachine Central, create a new project or open the project that has been created.
Create new project： [Create a new project]→[Empty Project]→[OK]→[Open Configuration]
Into the [Open Configuration].[Untitled]→[Add Device]→[Logic Controller]→[M218]→[TM218LDA16DRN]
PLC Default Parameters:In the Devices tree [MyController]→[Serial Line 2]→[Modbus_Manager]→[Transmission Mode]:RTU→[Addressing]:Slave→[Serial Line Settings]:[Baud rate] 19200, [Data bits]8, [Stop bits]1,[Parity] EVEN,[Physical Medium] RS485
Cable Wiring
Pin Definition Diagram：
