Configure Modbus RTU Slave Simulator

Use a preconfigured workspace or configure the simulation manually.

A workspace for the Anybus Studio example configuration is available for download, see Example configuration: download and use.

Procedure. Procedure

Start the Modbus RTU Slave Simulator.
Select Open Workspace and browse to the workspace file (.msw).
Figure 8. Open Workspace
Verify that the slave definition and communication settings match the Anybus Studio Modbus RTU host interface configuration.

Procedure. Procedure

Start the Modbus RTU Slave Simulator.
In the connection window, right‑click and select Slave Definition....
Figure 9. Slave Definition...
Configure the slave definition:
The settings shown are according to the Evaluation Board default configuration.
Figure 10. Slave Definition window
- Slave ID: Match the Studio Modbus RTU host interface configuration.
- Function: Select the Modbus function based on the data to read or write.
- Address: Address of the parameter to access.
- Quantity: Number of consecutive registers to read.
Save the slave definition.
Select Connection > Connect....
The settings shown are according to the Evaluation Board default configuration.
Figure 11. Connection Setup window
Select the serial port to which the Evaluation Board is connected.
Configure the serial communication settings:
- Baud rate: Match the Studio Modbus RTU host interface configuration
- Parity: Match the Studio Modbus RTU host interface configuration
- Stop bits: Match the Studio Modbus RTU host interface configuration
- Data bits: Fixed to 8
- Mode: Select RTU
Save the connection setup to start the Modbus RTU session.