Communications by Marketing | Jul 27, 2017 | Networking-Group Communications Modbus Modbus for ADR 2.0b – E & CE SeriesModbus for ADR 2.0b – 113 & 135 SeriesModbus for ADR 1.0 & 2.0aModbus Design ConsiderationsModbus ASCII I/O Transfer Wiring (Communications) Wiring RS-485 Model 113/213/135