Input/Output Modules

Accessories

Input/Output Modules

Flexible IO expansion for ENcombi controllers

Digital and analogue IO modules for advanced plant integration

Overview

Input/Output Modules

Description

ENcombi's range of IO modules enhances your plant's flexibility and capabilities, whether you need to read data from analogue sensors, send relay commands to start gensets, or receive breaker position feedback in complex applications.

With the exception of MRE models, all IO modules connect via either of the two Modbus RTU ports on your ENcombi controller.

*Note: Analogue inputs are only supported in the ECcubeX/ECpvX Controller.*

Variants

  • EX1600DD

    16 Digital Inputs

  • EX008DD

    8 Digital Outputs

  • EX1608DD

    16 Digital Inputs / 8 Digital Outputs

  • EX04AIS

    4 Analogue Inputs*

  • EX04AIO

    4 Configurable Analogue Inputs or Outputs

  • MRE-4/24

    4 High Current Relay Outputs

  • MRE-8/24

    8 High Current Relay Outputs

Product FAQ

Input/Output Modules

Input/Output Modules questions

How many IO modules can one controller use?

An ECpv, ECpv2 or ECpvX supports up to 4 Modbus IO modules, on COM2, COM3 or TCP.

What signals do the digital modules handle?

24 VDC PNP inputs and outputs, optocoupled with 2000 VAC isolation. Outputs carry 2 A per channel (8 A in total) and are protected against short circuit, over-voltage and over-temperature.

They run on a 20–30 VDC supply.

What can the analogue modules read and drive?

0–10 V or 0–20 mA at 12-bit resolution, isolated up to 1500 VAC, with ±0.05% full-scale precision.

The EX04AIO outputs supply 0–10 V or 0–20 mA from their own internal source, so no external supply is needed.

What happens to the outputs if communication is lost?

A programmable timer forces the outputs to their inactive state if communication fails.

What are the MRE relay modules for?

Switching high loads from low-current control outputs. The relays are rated 10 A at 250 VAC or 30 VDC, up to 380 VAC or 125 VDC, with 24 VDC coils and PNP or NPN driving.

Each relay sits in a socket with a retaining spring for quick replacement, and an LED shows its state.

How big are they, and how are they mounted?

The EX modules are 17.5 mm wide on DIN rail (113 × 17.5 × 119 mm), with plug-in screw terminals. They are rated IP20 and operate from −20 °C to +70 °C.

These answers are general information based on our product documentation at the time of writing. They are not binding and may change at any time. For your project, the current datasheet, manual and our written order confirmation apply.

Alvis is AI and can make mistakes. For quotes and exact specs, contact sales.

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