Fair enough.
But no, problem was wrong register.
Thanks for help though.

Solved it. It was kinda there mistake kinda mine. I thought, register number is 30001, cause they call it Äddress Register". Actually register number was 0. It was small confusion from reading datashet. Also, previous comment wouldn't have helped because I actually had communication but that sp...

Hello. This might not be associated with this topic completely, but I am having problem Eastron SDM630. I have it connected and powered up. I am using modbus to read voltage values from Eastron via to TCP/RTU gateway and see the values on SimplyModbus TCP Client software. I know that my communicatio...