Chapter 14 RS-422/485 function of K200S
14 RS-422/485 function of K200S......................................................................14-1
14.1 Introduction.................................................................................................................................... 14-1
14.2 Features ...........................................................................................................................................14-1
14.3 Specification ..................................................................................................................................14-1
14.4 Wiring................................................................................................................................................14-2
14.4.1 Wiring diagram of RS-422 network.................................................................................... 14-2
14.4.2 Wiring diagram of RS-485 network.................................................................................... 14-2
14.5 Pin-out of RS-422/485 ................................................................................................................14-3
14.6 Parameter setting........................................................................................................................14-4
14.6.1 Basic parameter setting.........................................................................................................14-4
14.6.2 High speed link parameter setting .....................................................................................14-5
14.7 Communication status flag.....................................................................................................14-6
14.7.1 Error code (D4400 ~ D4415)............................................................................................... 14-6
14.7.2 Error count (D4416 ~ D4431)..............................................................................................14-6
14.7.3 Error information of slave PLC (D4432 ~ D4447).........................................................14-7
14.7.4 Error information of master PLC (D4448)........................................................................14-7
14.7.5 Transmission period (D4449 ~ D4454) ............................................................................14-8
14.8 Monitoring the communication status............................................................................... 14-8