List of Contributions

Hi Phillip, Thank you for your reply, actually I have mapped many variables to holding register from register 400001...400044. Unfortunately only register 400043/400044 cannot be read, the rest of the registers are can be read successfully. How to define the register 400043... in Micro850? Since ...

Hi Every one, I have a problem with a modbus mapping register on AB Micro850 PLC, I am using CCW version 23 and trying to read the modbus holding register from a Node-RED machine. Almost all registers are can be read succesfully, unfortunately the last holding register in the modbus mapping was not ...