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B&R X20BM33

Product Series: B&R X20 I/O System (X20BM Series)

Product Introduction: The X20BM33 is a 3-channel digital output module with transistor (NPN sink) outputs for the B&R X20 distributed I/O architecture. It is designed for applications requiring a small number of controlled DC output channels with fast response and high reliability.

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Technical Specifications:

  • Number of Channels: 3 digital outputs
  • Output Type: Transistor (NPN / Sink)
  • Output Voltage: 24V DC
  • Maximum Output Current per Channel: 0.5 A
  • Total Module Current: 1.5 A (aggregated)
  • Response Time (ON→OFF / OFF→ON): < 1 ms (typical)
  • Isolation: Channel-to-channel isolation, group-to-group isolation
  • Rated Insulation Voltage: 500 V AC (IEC 61131-2)
  • Supply Voltage: 24V DC via X20 bus connector
  • Power Consumption: Approx. 1.0 W

Functional Features:

  • Per-channel wire-break and short-circuit diagnostics
  • Individual LED status indicator per channel
  • Spring-loaded push-in terminal technology
  • Hot-swap capable
  • Integrated overcurrent protection per channel
  • Reverse polarity protection on power supply input

Structural Features:

  • Form Factor: Compact slim-line, 45 mm width
  • Mounting: DIN rail (35 mm TS 35) / direct screw mounting
  • Connector: X20 system bus connector (top side)
  • Terminal Type: Push-in spring clamp, 0.14 mm² to 2.5 mm²
  • Housing Material: Polycarbonate (PC), UL94 V-0
  • Protection Rating: IP20
  • Dimensions (W × H × D): 45 mm × 90 mm × 75 mm (approx.)
  • Weight: Approx. 100 g

Operating Conditions:

  • Operating Temperature: -25°C to +70°C
  • Storage Temperature: -40°C to +85°C
  • Relative Humidity: 5% to 95% (non-condensing)
  • Vibration: 5 m/s² (IEC 60068-2-6)
  • Shock: 30 g (IEC 60068-2-27)

Applicable Industries:

  • Small-scale machine automation
  • Pick-and-place systems
  • Valve and solenoid control
  • Indicator light / signal lamp control
  • Safety relay output replacement

Installation Requirements:

  • DIN rail 35 mm (EN 60715)
  • Minimum 10 mm spacing for ventilation
  • Wire size: 0.14–2.5 mm² copper conductors
  • Polarity: 24V DC to load, output sinks to 0V common

Usage Precautions:

  • Maximum per-channel current: 0.5 A — do not exceed
  • Inductive loads require external suppression diodes
  • Do not apply AC voltage to transistor outputs
  • Ensure correct 24V DC common (0V) connection

Advantages & Highlights:

  • Ultra-compact 3-channel design saves cabinet space
  • Sub-1ms switching for fast actuator control
  • Full diagnostic capability per channel
  • Tool-free push-in wiring

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