Software Support
Open-Source code samples can be downloaded from the GitHub repositories below :
RTU-DI8 Configuration Tool
https://github.com/synapsertu/rtu-di8
Multi RTU module Logger
https://github.com/synapsertu/rtu-log
Modbus Utilities
The following windows and Linux command line utilities are useful for development
Windows/Linux x86 Binary
https://www.modbusdriver.com/modpoll.html
Raspberry Pi/Linux
https://github.com/epsilonrt/mbpoll
*Note that mbpoll does not use FC16 for Modbus writes