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3DM476.6 Digital Output Module (Mixed I/O Module)

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3DM476.6 Digital Output Module (Mixed I/O Module)
May 27, 2026

3DM476.6 Digital Output Module (Mixed I/O Module)

The 3DM476.6 is a compact, high‑performance mixed digital I/O module from B&R SYSTEM 2005 series, integrating 16 digital inputs and 16 transistor outputs for seamless signal acquisition and device control in industrial automation. Designed for 24 VDC/24 VAC field signals, it features 4 electrically isolated input groups and a 1 ms hardware input filter for stable, interference‑resistant operation. With a single‑width housing and DSUB connectors, it easily mounts on SYSTEM 2005 backplanes, serving as a cost‑effective all‑in‑one I/O solution for small‑to‑medium control systems.

Description

3DM476.6 Digital Output Module (Mixed I/O Module)

Product Introduction

The 3DM476.6 is a compact, high‑performance mixed digital I/O module from B&R SYSTEM 2005 series, integrating 16 digital inputs and 16 transistor outputs for seamless signal acquisition and device control in industrial automation. Designed for 24 VDC/24 VAC field signals, it features 4 electrically isolated input groups and a 1 ms hardware input filter for stable, interference‑resistant operation. With a single‑width housing and DSUB connectors, it easily mounts on SYSTEM 2005 backplanes, serving as a cost‑effective all‑in‑one I/O solution for small‑to‑medium control systems.

Basic Information

  • Model: 3DM476.6

  • Brand: B&R (Bernecker + Rainer, ABB Group)

  • Series: SYSTEM 2005

  • Product Type: Mixed Digital Input/Output Module

  • Input Channels: 16‑channel 24 VDC/24 VAC, 4 electrically isolated groups

  • Input Filter: 1 ms hardware delay

  • Input Wiring: Sink/source configurable

  • Output Channels: 16‑channel transistor output, 24 VDC, 0.4 A per channel

  • Output Protection: Thermal overload, short‑circuit, reverse polarity protection

  • Connection: DSUB connectors for inputs and outputs

  • Status Indicators: LED per channel for input/output status

  • Power Supply: Backplane‑powered (5 VDC)

  • Power Consumption: Max 2.5 W

  • Protection Class: IP20

  • Operating Temperature: 0 °C to +60 °C

  • Storage Temperature: -25 °C to +70 °C

  • Humidity: 5%–95%, non‑condensing

  • Certifications: CE, UL, EAC, UKCA

  • Installation: 1 standard slot on SYSTEM 2005 backplane, DIN rail mountable

Function and Positioning

The 3DM476.6 acts as a combined signal interface in industrial control systems, capturing discrete on/off signals from field sensors and switches while driving actuators, relays, and small loads. Its 4‑group input isolation minimizes crosstalk and enhances safety; the 1 ms filter ensures reliable detection of valid signals. The 16 transistor outputs provide efficient, protected switching for 24 VDC loads. Positioned as a versatile, space‑saving mixed I/O module, it simplifies system design by reducing the need for separate input and output modules, ideal for compact machines and distributed I/O applications.

Core Performance Parameters

  • Mixed I/O Capacity: 16 inputs + 16 outputs for integrated monitoring and control

  • Isolation Performance: 4 electrically isolated input groups to suppress interference

  • Fast Response: 1 ms hardware input filter for stable signal acquisition

  • Flexible Inputs: 24 VDC/24 VAC compatible, sink/source configurable

  • Output Capability: 24 VDC transistor outputs, 0.4 A per channel, 75% simultaneous load factor

  • Output Protection: Thermal, short‑circuit, and reverse polarity protection

  • Diagnostic Features: Channel‑specific LED indicators for quick status and fault check

  • Industrial Durability: Withstands vibration, shock, and wide temperature ranges

  • EMC Compliance: Meets strict industrial electromagnetic compatibility standards

  • System Compatibility: Fully interoperable with B&R SYSTEM 2005 CPUs, backplanes, and Automation Studio

General Compatible Accessories

  • B&R SYSTEM 2005 series backplane modules and power supply units

  • SYSTEM 2005 CPU modules for logic control and data processing

  • 24 VDC/24 VAC field devices: proximity sensors, limit switches, photoelectric sensors

  • 24 VDC actuators: relays, contactors, solenoid valves, small motors

  • Shielded DSUB cables and flat cables for reliable I/O connection

  • B&R Automation Studio software for configuration, programming, and diagnostics

  • DIN rail mounting components and standard control cabinet hardware

Applicable Equipment Fields

  • Factory Automation: Compact assembly stations, small production lines, packaging machinery

  • Industrial Machinery: Textile machines, printing equipment, plastic processing machines, machine tools

  • Process Control: Water treatment, HVAC systems, food and beverage processing

  • Logistics Automation: Conveyors, sorting systems, warehouse handling equipment

  • Building Automation: Industrial HVAC, lighting control, access control systems

  • General Industrial Control: Any automation system requiring integrated digital I/O for monitoring and control


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