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MODBUS ASCII programming is straightforward in the Venom Language, using a serial port, the built-in protocol analyser object and PRINT statements for output.

MODBUS/TCP uses the built in TCP/IP support and turning a VM2 into a MODBUS/TCP device is further simplified with a Venom skeleton program available on our snippets page. All you have to do is edit configuration settings and add your application specific functions to map MODBUS inputs and outputs to the VM2's ports and devices.