Chapter 2 Specifications and System Configuratio n AH15SCM-5A 15SCM 7 10 2-58 Number Name Description 5 Terminals Terminals for COM1 (RS-485) 6 Switch of terminal resistor 2 Switching terminal resistor 2 ON/OFF 7 Terminals Terminals for COM2 (RS-422) 8 Terminals Terminals for COM2 (RS-485) 9 European-style terminal block Terminals for wiring 10 Label Nameplate 11 Set screw Fixing the module 12 Connector Connecting the module and a backplane 13 Projection Fixing the module 2 3 4 RUN ERROR C O M 1 CO M 2 5 9 6 Number Name Description 1 Model name Model name of the module Operating status of the module RUN LED indicator (green) ON: The module is running. OFF: The module stops running.
Error status of the module ON: There is a hardware error. OFF: The module is normal. ERROR LED indicator (red) Blinking: 1. The setting of the module is incorrect, or there is a communication error. 2. Restoring the module to the default factory value COM1 (RS-485) LED indicator ON: RS-485 mode 2 (green) OFF: RS-422 mode COM2 (RS-485) LED indicator ON: RS-485 mode (green) OFF: RS-422 mode Blinking: The data is being transmitted through the RS-232 TX1/TX2 LED indicator port. (orange) OFF: The data is not being transmitted through the RS-232 port. Blinking: The data is being reveived through the RS-232 RX1/RX2 LED indicator port. (orange) OFF:
The data is not being reveived through the RS-232 port. 3 Terminals Terminals for COM1 (RS-232) 4 Terminals Terminals for COM2 (RS-232)