May 27, 2026

3DM476.6 Digital Output Module

The 3DM476.6 is a high-density digital output module designed for the B&R SYSTEM 2005 platform, functioning as a core component for on-site actuator driving in industrial automation systems. It provides 16 transistor output channels with 24 VDC rated voltage and 0.4 A per channel current capacity, capable of directly driving various low-power DC loads. The module integrates short-circuit, overload, thermal shutdown and reverse polarity protection circuits, ensuring stable and reliable operation under complex industrial conditions. Featuring DSUB connectors for convenient field wiring and LED status indicators for real-time monitoring, it offers a cost-effective and space-saving solution for high-channel-count digital output control.

Description

3DM476.6 Digital Output Module

Product Introduction

Basic Information

Model: 3DM476.6
Brand: B&R (Bernecker + Rainer, ABB Group)
Series: SYSTEM 2005
Product Type: Digital Output Module
Output Channels: 16 transistor outputs
Rated Output Voltage: 24 VDC
Rated Output Current: 0.4 A per channel, 4.8 A total module current
Switching Delay: Max. 100 µs (both on and off)
Maximum Switching Frequency: 500 Hz (resistive load)
Output Protection: Short circuit, overload, thermal shutdown, reverse polarity protection
Leakage Current (Off State): 0.3 mA
Connection Interface: DSUB connector
Status Indicators: Channel-specific LEDs, power and fault LEDs
Power Supply: 5 VDC from system backplane
Protection Class: IP20
Operating Temperature: 0 °C to 60 °C
Storage Temperature: -25 °C to 70 °C
Relative Humidity: 5% to 95%, non-condensing
Certifications: CE, UL, EAC, UKCA
Installation: Occupies one standard slot on SYSTEM 2005 backplane, DIN rail mountable

Function and Positioning

The 3DM476.6 serves as a critical output interface in industrial control systems, responsible for converting controller logic commands into physical driving signals for on-site actuators. It controls the on/off state of low-power DC devices such as relays, solenoid valves, contactors and indicator lamps, enabling precise execution of automation control logic. The built-in multi-protection circuitry safeguards both the module and field loads from damage caused by electrical abnormalities, enhancing system reliability and safety. Positioned as a high-density, cost-efficient digital output module for the SYSTEM 2005 series, it optimizes system layout and wiring complexity, ideal for applications requiring a large number of discrete output points with moderate power demands.

Core Performance Parameters

High-Density Output: 16 channels in one slot reduce system space occupation and cost
Reliable Load Driving: 0.4 A per channel directly controls most low-power DC industrial loads
Fast Response Speed: 100 µs maximum switching delay ensures timely command execution
High Switching Frequency: 500 Hz capacity supports high-speed on/off control applications
Comprehensive Protection: Short-circuit, overload, thermal and reverse polarity protection ensure operational safety
Low Leakage Current: 0.3 mA off-state leakage prevents false triggering of loads
Intuitive Diagnostics: LED indicators enable real-time channel status monitoring and rapid fault localization
Industrial-Grade EMC: Complies with EN 61000-6-2 standards for stable operation in noisy environments
Wide Environmental Adaptability: Operates reliably across standard industrial temperature and humidity ranges
Full System Compatibility: Seamlessly integrates 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 and motion control
DSUB-compatible cables and terminal adapters for field wiring
24 VDC low-power actuators: relays, solenoid valves, indicator lamps and small DC motors
Shielded cables for noise-immune signal transmission
B&R Automation Studio for module configuration, programming and diagnostics
DIN rail mounting hardware and standard control cabinet accessories

Applicable Equipment Fields

Factory Automation: Assembly lines, packaging machinery and automated production cells
Industrial Machinery: Machine tools, textile machines, printing presses and plastic processing equipment
Process Industry: Water treatment plants, food and beverage production lines and pharmaceutical equipment
Logistics Automation: Conveyor systems, automatic sorting machines and warehouse handling equipment
Building Automation: HVAC systems, access control panels and lighting management systems
General Industrial Control: All automation systems requiring high-channel-count digital output control

Contact Info