No specific info about version 2.1. Please visit the main page of Modbus Tester on Software Informer.
A utility that allows you to test and debug Modbus systems.
Hex Com Tool helps you to communicate with just about any rs232 peripheral.
Modbus is a serial communication protocol for programmable logic controllers
CAS Modbus Explorer - utility to discover Modbus devices on a Modus RTU network
Modbus Protocol Tester-Test complex configurations
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