Unity Pro - Write to a Modbus Serial RS485 Device - Write_Var

Demonstrates how to Write Variables to a Modbus Serial RS485 2-Wire Device using Unity Pro's Write_Var Function Block.  First, Watch the Video titled Unity Pro - Read from a Modbus Serial RS485 Device video on this YouTube Channel for background information on the Communication Function Blocks in Unity Pro.  The 2nd in a 4 part series of how to read and write to a Modbus Serial Device