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B&R 3AM051.6 Communication Module

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B&R 3AM051.6 Communication Module
May 27, 2026

B&R 3AM051.6 Communication Module

The 3AM051.6 is a high-performance communication-enabled analog mixed module from the B&R SYSTEM 2005 series, integrating analog I/O and bus communication functions. It features 4 analog inputs and 4 analog outputs (0–20 mA, 12-bit resolution) with an onboard X2X bus interface, acting as a bridge between field analog devices and the SYSTEM 2005 controller. With 2500 VAC galvanic isolation and a compact single-slot design, it ensures reliable data exchange and signal conversion in harsh industrial environments, serving as a cost-effective multifunctional component for automation systems.

Description

B&R 3AM051.6 Communication Module

Product Introduction

The 3AM051.6 is a high-performance communication-enabled analog mixed module from the B&R SYSTEM 2005 series, integrating analog I/O and bus communication functions. It features 4 analog inputs and 4 analog outputs (0–20 mA, 12-bit resolution) with an onboard X2X bus interface, acting as a bridge between field analog devices and the SYSTEM 2005 controller. With 2500 VAC galvanic isolation and a compact single-slot design, it ensures reliable data exchange and signal conversion in harsh industrial environments, serving as a cost-effective multifunctional component for automation systems.

Basic Information

  • Model: 3AM051.6

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

  • Series: SYSTEM 2005

  • Product Type: Communication-Enabled Analog Mixed Module

  • Core Interface: X2X bus (backplane communication)

  • Analog Inputs: 4 differential channels, 0–20 mA DC, 12-bit

  • Analog Outputs: 4 channels, 0–20 mA DC, 12-bit, short-circuit proof

  • Power Supply: 5 VDC from backplane (1.5 W); 24 VDC for field (5.0 W)

  • Total Power Consumption: 6.5 W

  • Protection Class: IP20

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

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

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

  • Isolation Voltage: 2500 VAC (field to backplane)

  • Certifications: CE, cULus, EAC, UKCA, GL

  • Installation: Standard single slot for SYSTEM 2005 racks

  • Compatible Terminal Block: TB170 (sold separately)

Function and Positioning

The 3AM051.6 functions as a multifunctional communication and analog processing unit for B&R SYSTEM 2005 platforms. It enables high-speed data exchange between the controller and field devices via the X2X backplane bus, while simultaneously acquiring analog signals from sensors (pressure, flow, temperature) and outputting control signals to actuators (proportional valves, frequency converters). By combining communication and analog I/O, it eliminates the need for separate communication and analog modules, reducing system complexity, wiring effort, and costs. It is positioned as a versatile, space-saving core component for small-to-medium automation systems requiring both bus communication and analog signal handling.

Core Performance Parameters

  • Communication Interface: X2X bus (SYSTEM 2005 backplane), high-speed cyclic data exchange

  • Analog Input Channels: 4 differential, 0–20 mA, 12-bit resolution

  • Analog Output Channels: 4, 0–20 mA, 12-bit resolution, short-circuit resistant

  • Conversion Time: <1 ms for all analog channels; <1.5 ms with averaging

  • Basic Accuracy: ±0.1% FS (inputs); ±0.15% FS (outputs) at 25 °C

  • Temperature Drift: ±50 ppm/°C

  • Input Load: 50 Ω per channel

  • Isolation Voltage: 2500 VAC (field to backplane)

  • Communication Features: Cyclic data transmission, module status monitoring, fault diagnosis via X2X bus

  • Status Indicators: LEDs for module status, bus activity, and channel status

  • Diagnosis: Full fault detection and reporting via B&R Automation Studio

  • EMC Compliance: EN 61000-6-2, EN 61000-6-4

  • Configuration: Parameterization via B&R Automation Studio V4.x+

General Compatible Accessories

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

  • SYSTEM 2005 series CPU modules and X2X bus-compatible I/O modules

  • 24 VDC industrial power supplies (e.g., 0PS105.1, 0PS205.1)

  • Shielded twisted-pair cables for 0–20 mA signal wiring

  • TB170 terminal block for field connection

  • B&R Automation Studio V4.x+ for configuration, programming, and diagnostics

  • 0–20 mA compatible sensors (pressure, flow, temperature, level)

  • 0–20 mA controlled actuators (proportional valves, frequency converters)

  • B&R ACOPOS servo drives for motion control integration

Applicable Equipment Fields

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

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

  • Energy Sector: Power plant monitoring, renewable energy systems, energy efficiency control

  • Building Automation: HVAC systems, environmental monitoring, building management systems

  • Motion Control: Servo drive auxiliary control, frequency converter monitoring

  • Industrial Sites: Environments with high electromagnetic interference and vibration

  • B&R SYSTEM 2005-based projects requiring integrated X2X bus communication and 0–20 mA analog I/O


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