Modbus RTU Communication is sluggish.

Issue

Controller error log reports the following modbus error codes. 

  • 0x0000f806
  • 0x0000f808
  • 0x0000f80c
     

Product Line

Andover Continuum

Environment

  • Modbus RTU
  • Stop Bits

Cause

Incorrect comm port configuration.

Resolution

Changed the comm port configuration from 1 stop bit to 2 stop bits.