AH500 Operation Manual Electrical specifications 2.7.2 Profiles AH10SCM-5A 1 10SCM 11 2-57 Item Specifications Supply voltage A CPU module supplies 24 V DC (-15%~20%) power through an internal bus. Electric energy consumption 1.7 W Insulation voltage 500 V Weight 150g 2 3 4 6 7 RUN ERROR COM1 RS485 COM2 RS485 TR 1 ON O FF 9 12 + - 5 ND G 10 FF 9 + - 8 ND G 13 COM1 TX+ TX- RX+ D RX- D GND G FG F TR 2 ON O COM2 TX+ TX- RX+ D RX- D GND G FG F 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 TX1/TX2 LED indicator RS-485/RS422 port. (orange) OFF: The data is not being transmitted through the RS-485/RS422 port. Blinking: The data is being reveived through the RX1/RX2 LED indicator RS-485/RS422 port. (orange) OFF: The data is not being reveived through the RS-485/RS422 port.
3 Switch of terminal resistor 1 Switching terminal resistor 1 ON/OFF 4 Terminals Terminals for COM1 (RS-422)