Hi, MB RTU write block return error -6808
Hi modbus RTU write block MBWrite return error -6808. It was working for approx. 1year, than it crashed. After last service on device connected on MB link(not ABB part, unable to check or make diagnostic) write block is returning this error (no possibility to operate). It is possible to read status of device on MB link, but not operate.
Does anybody know what means error -6808?
My system is running with library ModBusCommLib 1.4-1