What is the meaning of fault code 151 in XXMIT block in Unity Pro.
The fault code 151 means that MsgOut is smaller than 12 Byte when 'Modbus Master Messaging' function is selected.
To prevent this fault do the following:
1. Increase the array size of variable defined for MsgOut parameter.
2. Use array of same size as defined in step#1 for the variable of parameter MsgIN.