IO Specification

Draft.

Power

  • Automation bus supply voltage is 12V.

  • We use PhoenixContact MC 1,5/ 2-G-3,81 connector for low voltage power distribution.

    • Pin 1 – 12V

    • Pin 2 – GND


Modbus RTU

Primary bus for critical infrastructure bus is Modbus RTU over RS-485.

  • PHY configuration: 115200 / 8N1

  • Uses PhoenixContact MC 1,5/ 2-G-3,81

    • Pin 1 – B

    • Pin 2 – A


3D model of PhoenixContact MC 1,5/ 2-G-3,81 with pin-definition captions

3D model of PhoenixContact MC 1,5/ 2-G-3,81 with pin-definition captions