B&R 3AM055.6 Input and Output Module
May 27, 2026

B&R 3AM055.6 Input and Output Module

The 3AM055.6 is a multifunctional input and output module belonging to B&R SYSTEM 2005 series. It is designed for comprehensive analog signal processing in industrial automation systems. This module is equipped with 5 differential analog input channels, 3 analog output channels and a built-in +10 V power supply for potentiometers. All signal channels adopt 12-bit high resolution. With 2500 VAC galvanic isolation design and IP20 protection grade, it can operate stably in industrial sites with severe electromagnetic interference and mechanical vibration. Adopting compact single-slot structure, it effectively saves installation space and simplifies the overall layout of the control cabinet, serving as a reliable core I/O component for SYSTEM 2005 control platforms.

Description

B&R 3AM055.6 Input and Output Module

Product Introduction

The 3AM055.6 is a multifunctional input and output module belonging to B&R SYSTEM 2005 series. It is designed for comprehensive analog signal processing in industrial automation systems. This module is equipped with 5 differential analog input channels, 3 analog output channels and a built-in +10 V power supply for potentiometers. All signal channels adopt 12-bit high resolution. With 2500 VAC galvanic isolation design and IP20 protection grade, it can operate stably in industrial sites with severe electromagnetic interference and mechanical vibration. Adopting compact single-slot structure, it effectively saves installation space and simplifies the overall layout of the control cabinet, serving as a reliable core I/O component for SYSTEM 2005 control platforms.

Basic Information

  • Model: 3AM055.6

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

  • Series: SYSTEM 2005

  • Product Type: Analog Input and Output Module

  • Input Channels: 5 differential channels, signal range 0–10 V DC, 12-bit resolution

  • Output Channels: 3 channels, signal range ±10 V DC, 12-bit resolution, short-circuit protection

  • Auxiliary Power Supply: 1 channel of +10 V output for potentiometer, maximum load current 40 mA

  • Power Consumption: 1.5 W from backplane 5 VDC, 5.5 W from field 24 VDC, total power 7.0 W

  • Protection Class: IP20

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

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

  • Relative Humidity: 5% to 95%, non-condensing

  • Isolation Performance: 2500 VAC isolation between field side and control backplane

  • Certifications: CE, UL, EAC, UKCA

  • Installation Method: Installed in standard single slot of SYSTEM 2005 rack, compatible with DIN rail installation

  • Matching Accessories: TB170 terminal block, sold separately

Function and Positioning

The 3AM055.6 acts as a key signal transmission interface between the main controller and field devices. Its input channels collect 0–10 V analog signals from various on-site sensors including temperature, pressure, flow and level sensors, and convert analog signals into standard digital signals for the controller to realize real-time data monitoring and closed-loop control. The output channels convert digital control instructions into ±10 V analog signals to drive on-site actuators such as proportional valves, frequency converters and positioning units. The integrated potentiometer power supply supports the access of manual adjustment potentiometers for parameter setting and equipment calibration. This module integrates signal collection, control output and auxiliary power supply, which reduces the use of independent modules and wiring workload. It is positioned as an economical and practical integrated I/O solution for small and medium-sized industrial automation projects.

Core Performance Parameters

  • Channel Configuration: 5 differential analog inputs, 3 analog outputs, 1 potentiometer power output

  • Resolution: 12-bit for all input and output channels

  • Signal Conversion Time: Less than 1 ms for all channels; less than 1.5 ms when signal averaging function is enabled

  • Basic Accuracy: ±0.05% full scale for inputs, ±0.02% full scale for outputs at 25 °C

  • Temperature Drift: ±50 ppm/°C

  • Input Impedance: 2 MΩ per channel

  • Protection Function: Input overvoltage protection, output short-circuit protection

  • Working Modes: Cyclic sampling, signal averaging, adjustable working timing from 2 ms to 65.535 ms

  • Status Indication: Onboard LED indicators to display module running status and signal conversion status

  • Fault Diagnosis: Complete fault detection and remote diagnosis function supported by matching software

  • EMC Standard: Compliant with EN 61000-6-2 and EN 61000-6-4

  • Configuration Mode: Parameter setting and function debugging via B&R Automation Studio V4.x and above

General Compatible Accessories

  • B&R SYSTEM 2005 series backplanes and multi-slot expansion racks

  • SYSTEM 2005 series CPU modules and bus compatible I/O modules

  • Industrial 24 VDC power supplies such as 0PS105.1 and 0PS205.1

  • Shielded cables specially used for analog signal transmission

  • TB170 terminal block for field wiring connection

  • B&R Automation Studio V4.x and above for programming, configuration and maintenance

  • 0–10 V industrial sensors for temperature, pressure, flow and level detection

  • ±10 V driven actuators including proportional valves, frequency converters and servo drives

  • 10 V standard potentiometers for manual adjustment and feedback calibration

Applicable Equipment Fields

  • Factory Automation: Packaging machinery, machine tools, automotive assembly lines and general production equipment

  • Process Industry: Chemical, pharmaceutical, food and beverage, water treatment, papermaking and textile industry equipment

  • Energy Industry: Power system monitoring, new energy equipment and energy-saving control systems

  • Motion Control: Auxiliary control of servo systems, frequency converters and positioning equipment

  • Building Automation: HVAC systems, environmental monitoring and building automatic control systems

  • General Industrial Sites: Production workshops with electromagnetic interference and mechanical vibration

  • All automation projects based on B&R SYSTEM 2005 platform that require integrated analog input and output functions


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