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SimServe is a Modbus device simulator, sometimes referred to as a Modbus slave simulator. With minimal configuration, it acts as a simulator for Modbus RTU slaves, Modbus ASCII slaves, and Modbus TCP slaves. Connect SimServe to any Modbus Master such as a SCADA system or PLC, and SimServe will respond to Modbus requests as if it were the real slave device. Use SimServe to simulate a sophisticated Modbus network with different gateways and a mix of Modbus protocol variants. SimServe will handle the Modbus RTU, Modbus ASCII, and Modbus TCP conversions.
Supported Function Codes
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
07 (0x07) Read Exception Status
15 (0x0F) Write Multiple Coils
16 (0x10) Write Multiple Registers
17 (0x11) Report Server ID
43/14 (0x2B/0x0E) Read Device Identification
Supported Protocol Variants
For more information, see SimServer.
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