Difference between Modbus & Modbus Plus

Introduction Modbus is a serial master/slave protocol. Modbus can run over any serial type media (copper, fiber, wireless, modem, etc..) Modbus Plus is a peer-to-peer protocol which runs at 1 mbs. The Modbus Plus protocol specifies the software layer as well as the hardware layer. Proprietary cabling and terminators must be used with a Modbus …

Difference between Modbus & Modbus Plus Read More »