Product Specification – X20AO4632

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20AO4632

• Product Type: 4-channel High Precision Analog Output Module

• Product Series: B&R X20 Distributed I/O System

• Certification: CE, UKCA, ATEX, cCSAus, DNV GL, LR, CCS, ABS, BV, KC, RoHS

• Product Status: Active production, fully supported

• Protection Class: IP20

2. Product Overview

3. Technical Specifications

3.1 Analog Output Parameters

• Number of output channels: 4 independent channels

• Output signal type: Voltage / Current (configurable per channel by terminal connection)

• Voltage output range: ±10 VDC

• Current output range: 0…20 mA (supports 4…20 mA application)

• Resolution: 16-bit total; ±15-bit effective for voltage and current mode

• Total conversion time: 50 µs for all 4 channels

• Full scale settling time: 500 µs

• Voltage mode output drive capability:

  Above 5 V: 10 mA

  Below 5 V: 15 mA

• Current mode maximum load resistance: 500 Ω

• Output protection: Short-circuit proof per channel

• Power-on behavior: Integrated enable relay for safe controlled start-up

3.2 Accuracy Performance (25 °C)

• Voltage mode

  Gain error: ±0.04% FS

  Offset error: ±0.022% FS

• Current mode

  Gain error: ±0.04% FS

  Offset error: ±0.022% FS

3.3 Electrical Characteristics

• System interface: X20 backplane bus

• Power consumption

  Bus power: 0.01 W

  Internal I/O power: 1.8 W (Revision ≥ J0), 2.2 W (Revision < J0)

• Isolation: Galvanic isolation between field side, internal logic and backplane bus

3.4 Environmental Conditions

• Operating temperature

  Horizontal installation: -25 °C to +60 °C

  Vertical installation: -25 °C to +50 °C (Revision ≥ J0)

• Storage temperature: -40 °C to +85 °C

• Relative humidity: 5% to 95% RH, non-condensing

• Vibration and shock: Compliant with IEC 60068 industrial standard

3.5 Mechanical and Structure

• Module width: 12.5 mm

• Mounting: Installed on X20 bus base module, DIN rail compatible

• Matching bus base: X20BM11, X20BM15 or equivalent

• Matching terminal block: X20TB12 12-pin terminal block

• Housing material: Flame retardant industrial plastic, UL 94 V-0

3.6 Indication and Diagnosis

• Individual channel status LED indicators

• Module status LED for power, run and fault indication

• Built-in module self-diagnosis, overcurrent and short-circuit fault detection

• Software-based channel status and configuration monitoring

4. Key Features

• 4-channel high density analog output design, saving cabinet installation space

• Per-channel voltage/current mode configurable via wiring

• 16-bit high resolution with ultra-low gain and offset error for precision control

• Ultra-fast 50 µs synchronous conversion speed for high dynamic control loops

• Galvanic isolation enhances anti-interference ability in harsh industrial environment

• Short-circuit protection ensures equipment and system safety

• Internal enable relay avoids unexpected actuator action during power-up

• Support hot swap for convenient on-site replacement and maintenance

• ATEX and marine certification applicable to hazardous area and ship automation

• Fully compatible with B&R Automation Studio for unified configuration and programming

5. Typical Applications

• High precision process automation: regulating valve, proportional actuator and frequency converter control

• Motion control: high precision analog speed and torque reference for servo drives

• Pharmaceutical, food and beverage precision dosing and flow regulation

• Semiconductor and electronic manufacturing precision positioning and process control

• Automated test equipment and laboratory instrument signal generation

• Chemical, oil and gas hazardous area process control

• Marine and offshore engineering automation system analog control

6. Compatibility

• Compatible with all B&R X20 series PLC, CPU and controller platforms

• Applicable bus base module: X20BM11, X20BM15

• Matching terminal block: X20TB12

• Programming and configuration: fully supported by B&R Automation Studio

7. Reliability and Support

• Industrial grade design for 24-hour continuous long-term operation

• Standard B&R manufacturer warranty provided

• Product in continuous mass production with long-term technical support and spare parts supply

• Built-in rich diagnostic functions for fast fault location and on-site maintenance