Ch ap te r 8 Ser ia l C ommu nic a tion Mod ule AH1 0/15 SC M8 - 58.2.2 Profile AH10SCM-5A1 0 SCMCO M 1TX-TX+TR 1 O N O FFCO M2 RS4 85CO M1 RS4 85RUNERRORFESGFESGO FFO NTR 2CO M 2TX+RX+RX-TX-D+D-FESGRX-FESGD-D+RX+112234713689111059Number Name Description1 Model name Model name of the module2RUN LED indicator (green)Operating status of the moduleON: The module is running.OFF: The module stops running.ERROR LED indicator (red)Error status of the moduleON: There is a hardware error.OFF: The module is normal.Blink: 1. The setting of the module is incorrect, or thereis a communication error.2. Restoring the module to the default factoryvalueCOM1 (RS-485) LEDindicator (green)ON: RS-485 modeOFF: RS-422 modeCOM2 (RS-485) LEDindicator (green)ON: RS-485 modeOFF: RS-422 modeTX1/TX2 LED indicator(orange)Blink: The data is being transmitted through theRS-485/RS422 port.OFF: The data is not being transmitted through theRS-485/RS422 port.RX1/RX2 LED indicator(orange)Blink: The data is being reveived through theRS-485/RS422 port.OFF: The data is not being reveived through theRS-485/RS422 port.3 Switch of terminal resistor 1 Switching terminal resistor 1 ON/OFF4 Terminals Terminals for COM1 (RS-422)5 Terminals Terminals for COM1 (RS-485)6 Switch of terminal resistor 2 Switching terminal resistor 2 ON/OFF7 Terminals Terminals for COM2 (RS-422)8 Terminals Terminals for COM2 (RS-485)9 European-style terminal Terminals for wiring
