B&R X20DO8331
8 digital outputs with 2 A Sink connection 1-wire connections Power feed integrated in the module Integrated output protection This module is equipped with 8 outputs for 1-wire connections. The outputs are designed for a sink circuit. The nominal output current is 2 A. The output supply is fed directly to the module. An additional supply module is not needed. There is no connection between the module and the I/O supply potential on the bus module.
Lifecycle & replacement
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
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Technical specifications
Short description
| I/O module | 8 digital outputs 24 VDC for 1-wire connections |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Outputs | Yes, using LED status indicator and software (output error status) |
| Diagnostics / Supply voltage monitoring | Yes, using software |
| Power consumption / Bus | 0.22 W |
| Power consumption / Internal I/O | - |
| Power consumption / External I/O | 0.9 W |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / CRA (Cyber Resilience Act) | In preparation |
| Certifications / ATEX | Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X |
| Certifications / UL | cULus E115267 Industrial control equipment |
| Certifications / HazLoc | cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5 |
| Certifications / KC | Yes |
| B&R ID code | 0x22EB |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | +0.56 |
Digital outputs
| Actuator power supply / Supply | External |
| Actuator power supply / Fuse | Required line fuse: Max. 10 A, slow-blow |
| Switching delay / 0 → 1 | <300 µs |
| Switching delay / 1 → 0 | <500 µs |
| Switching frequency / Resistive load | Max. 500 Hz |
| Switching frequency / Inductive load | See section "Switching inductive loads". |
| Execution | FET current-sinking |
| Nominal voltage | 24 VDC |
| Switching voltage | 24 VDC -15% / +20% |
| Nominal output current | 2 A |
| Total nominal current | 8 A |
| Connection type | 1-wire connections |
| Output circuit | Sink |
| Output protection | Thermal shutdown in the event of overcurrent or short circuit (see value "Short-circuit peak current") Internal freewheeling diode for switching inductive loads (see section "Switching inductive loads") Reverse polarity protection of supply voltage |
| Diagnostic status | Output monitoring with 10 ms delay |
| Leakage current when the output is switched off | 75 µA |
| RDS(on) | 35 mΩ |
| Peak short-circuit current | <24 A |
| Switch-on in the event of overload shutdown or short-circuit shutdown | Approx. 10 ms (depends on the module temperature) |
| Braking voltage when switching off inductive loads | Typ. 50 VDC |
| Insulation voltage between channel and bus | 500 Veff |
| Additional functions | Outputs can be connected in parallel to increase the output current. |
Electrical properties
| Electrical isolation | Channel isolated from bus Channel not isolated from channel and I/O power supply |
Operating conditions
| Mounting orientation / Horizontal | Yes |
| Mounting orientation / Vertical | Yes |
| Installation elevation above sea level / 0 to 2000 m | No limitation |
| Installation elevation above sea level / >2000 m | Reduction of ambient temperature by 0.5°C per 100 m |
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature / Operation / Horizontal mounting orientation | -25 to 60°C |
| Temperature / Operation / Vertical mounting orientation | -25 to 50°C |
| Temperature / Derating | See section "Derating". |
| Temperature / Storage | -40 to 85°C |
| Temperature / Transport | -40 to 85°C |
| Relative humidity / Operation | 5 to 95%, non-condensing |
| Relative humidity / Storage | 5 to 95%, non-condensing |
| Relative humidity / Transport | 5 to 95%, non-condensing |
Mechanical properties
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5⁺⁰.² mm |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
Manuals
ECAD / EPLAN
Certificates
Get a quote for a replacement
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Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.