Product Specification – X20DI9371

1. General Information

• Manufacturer: B&R Industrial Automation (ABB Group)

• Part Number: X20DI9371

• Product Type: Digital Input Module

• Product Series: X20 System

• B&R ID-Code: 0x1B95

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

• Product Status: Active (Mass Production)

• Protection Class: IP20B& R Industrial Automation

• Module Width: 12.5 mm

• Country of Origin: Austria

• Supply Voltage: 24 VDC (-15% / +20%)B& R Industrial Automation

2. Product Overview

3. Technical Specifications

3.1 Digital Inputs

• Number of Inputs: 12 channels

• Input Type: Sink (NPN), 1-wire connectionB& R Industrial Automation

• Nominal Input Voltage: 24 VDCB& R Industrial Automation

• Input Voltage Range: 20.4 VDC ~ 28.8 VDC (24 VDC -15% / +20%)B& R Industrial Automation

• Input Characteristics: IEC 61131-2 Type 1B& R Industrial Automation

• Input Current: Typ. 3.75 mA @ 24 VDCB& R Industrial Automation

• Input Resistance: Typ. 6.4 kΩB& R Industrial Automation

• Switching Thresholds:

  • Low: < 5 VDCB& R Industrial Automation

  • High: > 15 VDC

• Input Filtering:

  • Hardware Filter: ≤ 100 μs (fixed)B& R Industrial Automation

  • Software Filter: Default 1 ms, configurable 0 ~ 25 ms in 0.2 ms stepsB& R Industrial Automation

3.2 Electrical Characteristics

• System Supply: 24 VDC via X20 backplaneB& R Industrial Automation

• Power Consumption:

  • Bus: 0.18 WB& R Industrial Automation

  • Internal I/O: 1.75 WB& R Industrial Automation

• Isolation: 500 Veff (field-side vs. system bus)

• Channel-to-Channel Isolation: None

• Wiring: Shielded cables recommended for signal lines

3.3 Mechanical & Environmental

• Mounting: Standard 35 mm DIN rail, hot-swap capableB& R Industrial Automation

• Operating Temperature:

  • Horizontal: -25 °C ~ +60 °CB& R Industrial Automation

  • Vertical: -25 °C ~ +50 °CB& R Industrial Automation

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

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

• Vibration/Shock Resistance: Compliant with IEC 60068 (industrial rating)

• Installation Altitude: 0 ~ 2000 m (no derating); >2000 m: derate 0.5°C per 100 mB& R Industrial Automation

3.4 Diagnostics & Status

• Status Indicators:

  • 1 × LED for module status (run/error)B& R Industrial Automation

  • 12 × channel-specific LEDs for input signal statusB& R Industrial Automation

• Diagnostics: Comprehensive module and channel diagnostics via softwareB& R Industrial Automation

4. Key Features

• 12-channel 24 VDC sink-type digital inputs with 1-wire wiring simplicity

• Dual-stage filtering: Fixed hardware filter + configurable software filter for noise immunityB& R Industrial Automation

• High-density design: 12 inputs in a slim 12.5 mm width

• Galvanic isolation: 500 V isolation between field I/O and system bus

• Industrial robustness: Wide temperature range and hazardous location certificationsB& R Industrial Automation

• Full compatibility: Seamless integration with all X20 CPUs and bus modules

• Easy configuration: Fully configurable via B&R Automation Studio

• LED diagnostics: Clear visual status for module and each input channelB& R Industrial Automation

5. Typical Applications

• Binary signal acquisition from limit switches, pushbuttons, and proximity sensors

• General-purpose digital input expansion in PLC control systems

• Machine automation, material handling, and conveyor systems

• Packaging, printing, and assembly machinery

• Industrial control cabinets requiring high-density I/O

• Applications in harsh environments requiring reliable signal detection

6. Compatibility & Ordering

• Compatible with: All X20 CPU and bus modules (e.g., X20BM11, X20BM15)

• Required Accessories:

  • Terminal Block: X20TB12 (12-pin, ordered separately)

  • Bus Module: X20BM11 (ordered separately)

• Configuration Software: B&R Automation Studio (all supported versions)

• Order Code: X20DI9371

• Coated Variant: X20cDI9371 (for harsh environments)