B&R X20DI9371 Digital Input Module

Product Overview

Brand: B&R (Bernecker & Rainer)
Series: X20 System
Model: X20DI9371
Product Type: Digital Input Module
Function: The B&R X20DI9371 is a compact digital input module designed for X20 automation systems. It provides 12 channels of 24VDC digital inputs for collecting signals from sensors, switches, and field devices, and transmitting input data to the PLC control system.

Technical Specifications

General Data

• Brand: B&R
• Model: X20DI9371
• Series: X20 I/O System
• Module Type: Digital Input Module
• Number of Inputs: 12 digital inputs
• Input Type: 24VDC Sink Input
• Connection Type: 1-wire connection
• Protection Rating: IP20
• Module Width: 12.5 mm
• B&R ID Code: 0x1B95
• Mounting: X20 modular bus system

Digital Input Specifications

• Nominal Input Voltage: 24 VDC
• Input Voltage Range: 24 VDC -15% / +20%
• Input Current: Approx. 3.75 mA per channel
• Input Type: EN 61131-2 Type 1
• Input Circuit: Sink type
• Input Resistance: Approx. 6.4 kΩ

Signal Threshold

• OFF Signal: < 5 VDC
• ON Signal: > 15 VDC

Input Filter

• Hardware Filter: ≤100 μs
• Software Filter: Default 1 ms
• Adjustable Range: 0–25 ms

Electrical Specifications

• Bus Power Consumption: 0.18 W
• Internal I/O Power Consumption: 1.75 W
• Isolation Voltage: 500 VAC (channel to bus)
• Electrical Isolation:
  • Channel to bus: Isolated
  • Channel to channel: Not isolated

Diagnostic Functions

• Module status monitoring
• Channel status LED indicators
• Operating state indication
• Software diagnostics support

Environmental Specifications

• Operating Temperature:
  • Horizontal installation: -25°C to +60°C
  • Vertical installation: -25°C to +50°C
• Storage Temperature: -40°C to +85°C
• Humidity: 5–95% RH (non-condensing)
• Installation Altitude: Up to 2000 m without limitation
• Protection Class: IP20

Advantages & Features

High-Density Digital Input

Provides 12 digital input channels in a compact module, reducing cabinet space requirements.

Reliable 24VDC Signal Acquisition

Supports standard industrial 24VDC sensors and switching devices for stable signal collection.

Compact Modular Design

The slim 12.5 mm X20 design allows flexible installation and easy expansion.

Fast Signal Processing

Hardware and configurable software filtering improve signal reliability and reduce interference.

Easy System Integration

Works seamlessly with B&R X20 PLC systems and distributed I/O architectures.

Advanced Diagnostics

LED indicators and software monitoring simplify troubleshooting and maintenance.

Typical Applications

• Factory automation systems
• PLC control systems
• Machine manufacturing equipment
• Packaging machinery
• Robotics systems
• Conveyor systems
• Sensor monitoring applications
• Production line control
• Process automation systems

Precautions

• Confirm compatibility with the B&R X20 system before installation.
• Verify 24VDC input voltage and wiring polarity.
• Ensure correct terminal block and bus module installation.
• Disconnect power before replacing the module.
• Avoid installation in environments with excessive dust, moisture, or corrosive gases.
• Configure input filtering according to application requirements.
• Check LED indicators after startup to confirm normal operation.