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rio900ns:interfaces

# Interfaces

## Connections

The connections for the RIO is as follows:

1. Power - 9-30 VDC
2. RELAY - Normally open relay, will remain closed unless configured conditions are present.
3. RS232 (DB9F) - DCE - connect to DCE (computer) with straight through cable.
4. RF - MCX Female
5. I/O Expansion Bus:
6. RS232 COM2: TX (Output), RX (Input), GND
7. RS485 COM2: +, -, GND

## LEDs

LEDs on the RIO are as follows:

1. Status - Relay state Indicator.
2. Link - RSSI indicator.
3. Alarm - Alarm status indicator.
4. TX - Data Transmitted (Green for Radio traffic, Red for Serial traffic).
5. RX - Data Received (Green for Radio traffic, Red for Serial traffic).

## RS232 & RS485 Connections

## I/O Module Connections

I/O Modules can be attached to the RIO via the 5 pin I/O bus. The I/O modules can be mapped to Modbus Registers in Modbus RTU.

…. add I/O description.

rio900ns/interfaces.txt · Last modified: 2022/07/05 13:43 by

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