I/O extension
Smart Extension Port
Features
- Connects additional I/O to the gateway ​(eg. relay outputs, digital inputs, etc).
- Provides power supply (+5 VDC) for extension devices.
Limitations
- Up to 8 I/O extensions can be connected.
- EXT port can provide up to 1000 mA
Warning
Relays used in RI-EM42 and RI-EM04 require up to 40 mA per relay. Assume total 200 mA for RI-EM04.
If current requirements exceed EXT port capacity provide power supply separately.
Cable
- Minimum AWG 24 (0,5 mm / 0.25 mm2)
- Max resistance 10 Ohm @ 100 m
- Recommended max length 10 m
Connector
RJ12 socket​ (6p6c).
Connection diagram
