B&R X20DI8371 Digital Input Module

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B&R X20DI8371 Digital Input Module

Product Overview

The B&R X20DI8371 is an 8-channel digital input module designed for industrial automation systems. It supports 24V DC sink-type (NPN) inputs with single-wire connection, making it suitable for interfacing with sensors, switches, and other digital signals in harsh industrial environments.

Key Features & Technical Specifications

1. Input Configuration

   • 8 digital inputs (sink-type, 24V DC)

   • Input voltage range: 24V DC (-15% to +20%)

   • Input current: 3.75 mA (typical at 24V DC)

   • Input resistance: 6.4 kΩ

   • Switching thresholds:

     • Low level: <5V DC

     • High level: >15V DC

2. Signal Processing

   • Hardware filtering: ≤100 μs

   • Software filtering: Configurable (default: 1 ms, adjustable from 0 to 25 ms in 0.2 ms steps)

3. Electrical Isolation & Protection

   • Isolation: 500V between channels and bus (no isolation between channels)

   • Protection: Reverse polarity protection, ESD protection

4. Environmental & Mechanical Specs

   • Operating temperature:

     • Horizontal mounting: -25°C to +60°C

     • Vertical mounting: -25°C to +50°C

   • Protection rating: IP20

   • Humidity tolerance: 5% to 95% (non-condensing)

   • Shock resistance: 4G (EN 60068-2-27)

5. Certifications

   • CE, UKCA, UL, ATEX (Zone 2), DNV, ABS, BV, EAC, KC

Applications

• Industrial automation (PLC-based control systems)

• Packaging & printing machinery

• Energy & power distribution monitoring

• Process control in chemical & water treatment plants

Installation & Usage Notes

1. Required Accessories:

   • X20TB12 terminal block (for wiring)

   • X20BM11 bus module (for system integration)

2. Wiring Guidelines:

   • Use shielded cables for noise immunity.

   • Ensure proper grounding to prevent electrical interference.

3. Compatibility:

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

The structure and details of the product：

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