B&R X20DI4371

◆ B&R X20DI4371 | 4-Channel Digital Input Module – 24V DC, Sink, X20 Series

The B&R X20DI4371 is a 4-channel digital input module from the X20 series, designed for 24V DC sink connections with 3-wire configurations. It features configurable input filters and supports counter functions up to 1 kHz, making it ideal for precise signal acquisition in industrial automation systems.

◆ Key Features

• Input Channels: 4 digital inputs

• Input Type: Sink connection

• Input Voltage: 24V DC (-15% / +20%)

• Input Current: Typically 3.75 mA per channel

• Input Filter: Hardware filter ≤100 μs; software filter configurable from 0 to 25 ms in 0.2 ms increments

• Connection Type: 3-wire connections

• Counter Inputs: 4 counters with up to 1 kHz frequency

• Sensor Power Supply: Provides 24V DC and GND with a maximum summation current of 0.5 A

• Diagnostics: Module run/error status via LED indicators

• Mounting: DIN rail compatible with X20 terminal blocks

◆ Technical Specifications

• Model Number: X20DI4371

• Series: X20

• Input Voltage Range: 24V DC (-15% / +20%)

• Input Current: Typically 3.75 mA per channel

• Input Resistance: Approximately 6.4 kΩ

• Switching Thresholds:

  • Low: <5 VDC

  • High: >15 VDC

• Isolation Voltage: 500 Veff between channel and bus

• Power Consumption:

  • Bus: 0.14 W

  • Internal I/O: 0.59 W

• Operating Temperature: -25°C to +60°C

• Storage Temperature: -40°C to +85°C

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

• Certifications: CE, UL, ATEX Zone 2, DNV GL, GOST-R

• Dimensions: Standard X20 module dimensions

• Weight: Approximately 100 g

◆ Applications

• Industrial Automation: Reliable digital signal acquisition for control systems

• Machine Control: Interface for sensors and switches in machinery

• Process Monitoring: Collecting status signals from various process equipment

• Building Automation: Integration of digital inputs from building management systems

◆ Why Choose B&R X20DI4371?

• Configurable Input Filtering: Software-adjustable filters enhance signal quality and noise immunity

• Integrated Counter Functions: Supports event counting up to 1 kHz for precise monitoring

• Flexible Wiring: 3-wire connections simplify sensor integration

• Robust Design: Engineered for industrial environments with compliance to multiple international standards