Product Specification – X20AT2222

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20AT2222

• Product Type: 2-Channel RTD Temperature Input Module

• Product Series: X20 Distributed I/O System

• B&R ID Code: 0x1BA6

• Certifications: CE, UKCA, cULus, EAC, KC, ATEX (Zone 2, II 3G Ex nA nC IIA T5 Gc), DNV GL, LR, CCS

• Product Status: Active (In Production)

• Protection Rating: IP20

• Application: Precision temperature measurement using Pt100/Pt1000 sensors in industrial automation

2. Product Overview

3. Technical Specifications

3.1 Input & Measurement

• Number of Inputs: 2 independent RTD channels

• Sensor Types: Pt100 / Pt1000 (configurable per channel)

• Wiring Mode: 2-wire or 3-wire (selectable per module)

• Measurement Method: Constant-current direct resistance measurement

• Resolution: 16-bit (Sigma-Delta ADC)

• Basic Accuracy: ±0.1 °C (typical for Pt100)

• Conversion Time:

  • 1 channel active: 20 ms (with 50 Hz filter)

  • 2 channels active: 80 ms (with 50 Hz filter)

• Filter Time: Configurable 1 ms – 66.7 ms

• **Input Protection: Overvoltage, reverse polarity, short-circuit resistant

3.2 Electrical Characteristics

• System Interface: X20 backplane bus

• Power Consumption:

  • Bus: 0.01 W

  • Internal I/O: 1.1 W

• Isolation: Galvanic isolation (field-side / logic / bus)

• Input Impedance: > 10 MΩ

3.3 Environmental Specifications

• Operating Temperature:

  • Horizontal: -25 °C to +60 °C

  • Vertical: -25 °C to +50 °C

• Storage Temperature: -40 °C to +85 °C

• Humidity: 5–95% RH (non-condensing)

• Vibration/Shock: IEC 60068 compliant

3.4 Mechanical

• Dimensions: 12.5 mm (W) × 102 mm (H) × 70 mm (D)

• Weight: ~0.07 kg

• Mounting: DIN rail / X20 bus base

• Terminal Block: X20TB06 (6-pin) (primary) or X20TB12 (12-pin)

• Indicators: Channel LEDs, module status (run/error)

3.5 Diagnostics

• Channel status monitoring

• Sensor break / short detection

• Over/underrange alarms

• Module self-diagnostics

• Software-based status readout

4. Key Features

• 2-channel high-precision RTD input

• Per-channel Pt100 / Pt1000 selection

• 2/3-wire configurable wiring

• 16-bit resolution with low noise

• Wide configurable filtering for stability

• Full galvanic isolation

• Sensor break/short detection

• Compact 12.5 mm width

• ATEX / hazardous area approvals

• Hot-swappable design

• Full Automation Studio support

5. Typical Applications

• Industrial process temperature control

• HVAC and environmental monitoring

• Food & beverage processing

• Pharmaceutical manufacturing

• Plastics and packaging machinery

• Energy and power generation

• Marine and offshore systems

• Hazardous area (Zone 2) temperature sensing

6. Compatibility

• Bus Base Modules: X20BM11, X20BM15

• Terminal Blocks: X20TB06 (6-pin), X20TB12 (12-pin)

• Software: B&R Automation Studio (full configuration & diagnostics)

7. Reliability & Support

• Industrial-grade design for 24/7 operation

• Maintenance-free solid-state design

• Standard manufacturer warranty

• Long-term production and supply commitment

• Global certifications for worldwide deployment