Contact Info

B&R 3AT450.6 Temperature Control Module

Home / Product/ B&R
B&R 3AT450.6 Temperature Control Module
May 27, 2026

B&R 3AT450.6 Temperature Control Module

The 3AT450.6 is a high‑precision temperature input module within the B&R SYSTEM 2005 series, often utilized as a core component for temperature control loops. It offers four independent input channels designed exclusively for 4‑wire PT100 resistance temperature detectors (RTDs), delivering accurate and stable temperature measurements across industrial environments. With galvanic isolation between the field side and the control side, along with robust EMC performance, the module ensures reliable operation even under harsh conditions. It converts sensor resistance signals into high‑resolution digital data for the PLC, supporting closed‑loop temperature control, monitoring, and data logging in process and factory automation.

Description

B&R 3AT450.6 Temperature Control Module

Product Introduction

The 3AT450.6 is a high‑precision temperature input module within the B&R SYSTEM 2005 series, often utilized as a core component for temperature control loops. It offers four independent input channels designed exclusively for 4‑wire PT100 resistance temperature detectors (RTDs), delivering accurate and stable temperature measurements across industrial environments. With galvanic isolation between the field side and the control side, along with robust EMC performance, the module ensures reliable operation even under harsh conditions. It converts sensor resistance signals into high‑resolution digital data for the PLC, supporting closed‑loop temperature control, monitoring, and data logging in process and factory automation.

Basic Information

  • Model: 3AT450.6

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

  • Series: SYSTEM 2005

  • Product Type: High‑precision Temperature Input Module (for PT100 RTD, 4‑wire)

  • Input Channels: 4 independent, isolated channels

  • Supported Sensor: PT100 (4‑wire connection)

  • Measuring Range: ‑50 °C to +450 °C

  • Power Supply: 5 VDC from backplane; 24 VDC field power

  • 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 control)

  • Certifications: CE, UL, EAC, UKCA

  • Installation: Standard single slot for SYSTEM 2005 racks, DIN rail mountable

  • Compatible Terminal Block: 3TB170.9 (screw clamp) / 3TB170.91 (cage clamp), sold separately

Function and Positioning

The 3AT450.6 acts as the dedicated high‑accuracy interface between 4‑wire PT100 temperature sensors and B&R SYSTEM 2005 controllers, serving as a key element in temperature control systems. It precisely measures resistance variations of PT100 RTDs, converts them into accurate digital temperature values, and transmits the data to the PLC for real‑time monitoring, data logging, or closed‑loop temperature control. The 4‑wire connection fully compensates for lead resistance errors, ensuring exceptional accuracy even with long sensor cables. Positioned as a premium high‑precision temperature input and control‑ready module, it is ideal for applications demanding strict thermal measurement accuracy in process industries and advanced factory automation.

Core Performance Parameters

  • Sensor Type: PT100 (4‑wire, RTD)

  • Number of Inputs: 4 independent channels

  • Temperature Range: ‑50 °C to +450 °C

  • Resolution: 16‑bit

  • Basic Accuracy: ±0.05 % of full scale at 25 °C

  • Temperature Drift: ±15 ppm/°C

  • Conversion Time: <250 µs per channel

  • Common‑Mode Rejection: >90 dB at 50/60 Hz

  • Input Impedance: >1 MΩ

  • Filter: Software‑configurable digital filter (10 Hz to 1 kHz)

  • Status Indicators: RUN LED (module status), CH LEDs (channel activity)

  • Diagnosis: Open/short‑circuit detection, out‑of‑range alarm, sensor fault monitoring

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

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

General Compatible Accessories

  • B&R SYSTEM 2005 backplanes and expansion racks

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

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

  • Shielded 4‑wire cables for PT100 sensor connection

  • 3TB170.9 (screw clamp) / 3TB170.91 (cage clamp) terminal blocks

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

  • Industrial‑grade 4‑wire PT100 RTD sensors

Applicable Equipment Fields

  • Process Industry: Chemical, pharmaceutical, food & beverage, water treatment, pulp & paper (high‑accuracy thermal monitoring and control)

  • Factory Automation: Plastics machinery, packaging equipment, textile machines, automotive assembly lines

  • Energy Sector: Power plant auxiliary systems, renewable energy, HVAC, boiler control

  • Building Automation: Clean rooms, environmental monitoring, thermal management systems

  • Industrial Sites: Areas with electromagnetic interference, vibration, and wide temperature fluctuations

  • SYSTEM 2005‑based automation projects requiring 4‑channel PT100 (4‑wire) ultra‑high‑accuracy temperature input and control capability


Get a Quote

Search

Categories

pages