AIO-422-R1 module photo

AIO-422-R1 Module Configuration

Configure Modbus, analog/RTD channels, buttons, and LEDs via Web Serial.

Modbus ID: -- Baud: --

Device Setup

Serial connection and Modbus addressing.

Serial Log

Communication messages and status updates.

Analog Inputs (4 × 0–10 V)

Live field voltage in millivolts and computed volts per channel.

Analog Outputs (2 × 0–10 V)

Control DAC raw values (0–4095) corresponding to 0–10 V at the terminals.

RTD Inputs (2 × MAX31865)

Temperature, fault decoding, raw diagnostics, and Web-only RTD configuration.

Buttons (4)

Map physical buttons to Web-only actions (saved in flash).

User LEDs (4)

Select LED sources or keep manual control via buttons.