Modbus Slave is for simulating up to 100 slave devices in 100 windows!. Speed up your PLC programming with this simulating tools. Start programming and test before you receive your slave device from supplier. Data contained with any open document is accessible to the master application. Same user interface as Modbus Poll.
Monitoring of serial traffic.

OLE Automation for interfacing with Visual Basic, Excel etc. To interpret and show the Modbus data according to your specific requirements. E.g. edit edit your slave data in Excel or Python. Try the Excel example.xls included with the program.

Each window opened within Modbus Slave may be configured to represent data from the same or different slave node.

Modbus Slave user manual

Supported protocol variants:

• Modbus RTU
• Modbus ASCII
• Modbus TCP/IP
• Modbus RTU Over TCP/IP
• Modbus UDP/IP
• Modbus RTU Over UDP/IP

MODBUS Slave Technical Facts and Features:

• OLE Automation for easy interface to Excel using Macro language VBA
• Print and print preview
• Monitoring of serial data traffic
• Context sensitive help
• 28 Display formats such as float, double etc.
• Adjustable Address Base (0 or 1)
• Font and color selection
• Scaling
• Broadcast (slave ID 0)
• Easy control of RS-485 converters with RTS toggle
• 6 digit addresses
• Conditional color selection
• Real time Charting

Supported Modbus Functions:

• 01 (0x01) Read Coils
• 02 (0x02) Read Discrete Inputs
• 03 (0x03) Read Holding Registers
• 04 (0x04) Read Input Registers
• 05 (0x05) Write Single Coil
• 06 (0x06) Write Single Register
• 08 (0x08) Diagnostics (Serial Line only)
• 11 (0x0B) Get Comm Event Counter (Serial Line only)
• 15 (0x0F) Write Multiple Coils
• 16 (0x10) Write Multiple Registers
• 17 (0x11) Report Server ID (Serial Line only)
• 22 (0x16) Mask Write Register
• 23 (0x17) Read/Write Multiple Registers
• 43 / 14 (0x2B / 0x0E) Read Device Identification