Product Specification – X20AT6402

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20AT6402

• Product Type: 6-Channel Thermocouple Temperature Input Module

• Product Series: X20 Distributed I/O System

• B&R ID Code: 0x1BA9B& R Industrial Automation

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

• Product Status: Active (In Production)

• Protection Rating: IP20

• Application: High-temperature measurement using standard thermocouples in industrial processes

2. Product Overview

3. Technical Specifications

3.1 Input & Measurement

• Number of Inputs: 6 independent thermocouple channels

• Sensor Types: J, K, N, S, B, R (configurable per channel)

• Temperature Ranges:

  • Type J: -210 °C to +1200 °C

  • Type K: -200 °C to +1370 °C

  • Type N: -200 °C to +1300 °C

  • Type S (PtRh10-Pt): -50 °C to +1768 °C

  • Type B (PtRh30-PtRh6): 0 °C to +1820 °C

  • Type R (PtRh13-Pt): -50 °C to +1664 °C

• Wiring Mode: 2-wire connection

• Resolution: 16-bit (1 LSB = 0.1 °C)

• Raw Value Input: ±65.534 mV (for custom sensors)

• Conversion Time: 80.4 ms (for 6 channels)

• Filter Time: Configurable 1 ms – 66.7 ms

• Cold-Junction Compensation: Integrated, automatic

• Input Protection: Overvoltage, reverse polarity, open-circuit detection

3.2 Electrical Characteristics

• System Interface: X20 backplane bus

• Power Consumption:

  • Bus: 0.01 W

  • Internal I/O: 0.91 W

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

• Sensor Standard: EN 60584

3.3 Environmental Specifications

• Operating Temperature:

  • Horizontal: 0 °C to +55 °CB& R Industrial Automation

  • Vertical: 0 °C to +50 °CB& R Industrial Automation

• Storage Temperature: -40 °C to +85 °CB& R Industrial Automation

• Humidity: 5–95% RH (non-condensing)B& R Industrial Automation

• 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: X20TB12 (12-pin)B& R Industrial Automation

• Indicators: Channel LEDs, module status (run/error)B& R Industrial Automation

3.5 Diagnostics

• Open thermocouple detection

• Channel over/underrange alarms

• Module self-diagnosticsB& R Industrial Automation

• Software status readbackB& R Industrial Automation

• LED status indicationB& R Industrial Automation

4. Key Features

• 6-channel thermocouple input

• Support for J/K/N/S/B/R types

• Integrated cold-junction compensation

• 16-bit high resolution (0.1 °C)

• Direct raw mV measurement capability

• Configurable digital filtering

• Full galvanic isolation

• Open-circuit sensor detection

• Compact 12.5 mm width

• ATEX hazardous area approval

• Hot-swappable design

• Full Automation Studio support

5. Typical Applications

• Metal processing and heat treatment

• High-temperature industrial furnaces

• Glass and ceramic manufacturing

• Petrochemical and refining processes

• Power generation (boilers, turbines)

• Semiconductor fabrication

• Automotive manufacturing (welding, heat treating)

• Hazardous area (Zone 2) temperature monitoring

6. Compatibility

• Bus Base Modules: X20BM11, X20BM15

• Terminal Blocks: X20TB12 (12-pin)B& R Industrial Automation

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

7. Reliability & Support

• Industrial-grade design for continuous 24/7 operation

• Maintenance-free solid-state electronics

• Standard manufacturer warranty

• Long-term product availability

• Global certifications for worldwide deployment