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B&R X20DI2377 Digital Input Module for High-Performance Industrial Automation Systems
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B&R X20DI2377 Digital Input Module for High-Performance Industrial Automation Systems

Manufacturer: B&R Automation
Model: X20DI2377 Digital Input Module
Input Voltage: 24 V DC (–15% / +20%)
Number of Inputs: 2 channels (3-wire, sink)
Sensor Supply: Up to 12 W, 0.5 A

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Product Description

The B&R X20DI2377 is a high-performance 2-channel digital input module designed for demanding industrial automation applications. Operating at a nominal 24 V DC, it provides fast and reliable signal detection with a hardware input filter of ≤10 µs and configurable software filtering for optimized noise immunity. The module supports advanced functions including two 50 kHz event counters and a gate measurement channel, enabling precise monitoring of high-speed processes. With a robust 3-wire connection system, integrated short-circuit-protected sensor supply, and electrical isolation to ensure system reliability

Standard Features

  • Digital Inputs: Provides 2 high-speed digital input channels with 24 V DC signal compatibility

  • High-Speed Counting: Supports two 50 kHz event counters for capturing fast signal changes

  • Gate Measurement: Includes 1 gate measurement channel for precise frequency and pulse width analysis

  • Input Filtering: Hardware filtering ≤10 µs and software filter configurable from 0–25 ms

  • Sensor Power Supply: Integrated, short-circuit-protected sensor supply up to 0.5 A

  • Electrical Isolation: Channel-to-bus isolation enhances system safety and signal stability

  • Status Indication: Built-in LED indicators for channel and module diagnostics

  • Environmental Robustness: Wide operating temperature range from –25°C to +60°C for industrial environments

  • Compact Design: Slim 12.5 mm width for high-density I/O installation

Technical Specifications

ParameterSpecification
ModelX20DI2377
ManufacturerB&R Automation
Product TypeX20 Series Digital Input Module
Number of Channels2 Digital Inputs
Input Voltage24 V DC (–15% / +20%)
Input Circuit TypeSink, 3-wire connection
Input CurrentApprox. 10.5 mA per channel
Input FilterHardware ≤ 10 µs; Software 0–25 ms (configurable)
High-Speed Functions2 × 50 kHz event counters; 1 gate measurement channel
Sensor Supply12 W max, 0.5 A, short-circuit protected
Electrical IsolationChannel-to-bus isolated
Bus InterfaceX20 backplane bus
Protection RatingIP20
Operating TemperatureHorizontal: -25°C to +60°C
Vertical: -25°C to +50°C
Storage/Transport Temperature-40°C to +85°C
Mechanical Design12.5 mm modular housing
CompatibilityB&R X20 I/O system, CPUs, and bus controllers
Special FeaturesHigh-speed digital input acquisition with advanced counters and gate measurement

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