B&R X20DO8323
8 digital outputs High-side or low-side connection Push/pull outputs 1-wire connections Integrated output protection The module is an electrically isolated 8-channel digital output module. It can be configured as high-side or low-side or as a push/pull output for controlling 12 to 24 VDC DC motors.
Lifecycle & replacement
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Technical specifications
Short description
| I/O module | 8 digital outputs 11.5 to 30 V with 1-wire connections |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Outputs | Yes, using software |
| Power consumption / Bus | 0.16 W |
| Power consumption / External I/O | 0.2 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 |
| B&R ID code | 0xDF4E |
| Status indicators | Operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | - |
Digital outputs
| Diagnostic status / Voltage monitoring | 11.5 V < Supply voltage < 30 V |
| Diagnostic status / Output monitoring | Output OK |
| Switching delay / 0 → 1 | Max. 450 μs |
| Switching delay / 1 → 0 | Max. 450 μs |
| Switching frequency / Resistive load | Max. 100 Hz |
| Switching voltage / Minimum | 11.5 VDC |
| Switching voltage / Nominal | 12 to 24 VDC |
| Switching voltage / Maximum | 30 VDC |
| Protective circuit / External | 24 VDC power supply - maximum current 5 A (melting fuse) |
| Protective circuit / Internal | Thermal shutdown, integrated protection for switching inductive loads |
| Variant | FET push/pull (high-resistance) |
| Nominal voltage | 11.5 to 30 V |
| Nominal output current | 0.5 A |
| Total nominal current | 4 A |
| Connection type | 1-wire connections |
| Output circuit | Sink/Source |
| Leakage current when the output is switched off | 5 μA per channel |
| RDS(on) | 120 mΩ (low-side), 140 mΩ (high-side) |
| Insulation voltage between channel and bus | 500 V |
| Reverse polarity protection | Yes |
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 | - |
| 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
Get a quote for a replacement
Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.
Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.