B&R X20CM8323
8 digital outputs Current trace Switching time detection Pulse width modulation The module has digital outputs for switching electromechanical loads (e.g. valves, relays) and additional functions.
Lifecycle & replacement
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Technical specifications
Short description
| I/O module | 8 digital outputs for switching electromechanical loads, current monitoring, switching instant detection, pulse width modulation |
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) |
| Power consumption / Bus | 0.01 W |
| Power consumption / Internal I/O | 1 W (Rev. ≥G0), 1.5 W (Rev. <G0) |
| Power consumption / External I/O | Corresponding to external load |
| 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 | 0x1D43 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | - |
Digital outputs
| Pulse width modulation / Period duration | 1 ms (1 kHz) or 20 µs (50 kHz) |
| Pulse width modulation / Pulse duration | 0 to 100% |
| Pulse width modulation / Resolution for pulse duration | 1% |
| Output voltage / Minimum | 18 VDC |
| Output voltage / Nominal | 24 VDC |
| Output voltage / Maximum | 42 VDC |
| Protective circuit / External | 24 VDC power supply - maximum current 10 A (melting fuse) |
| Nominal voltage | 24 VDC |
| Nominal output current | 0.6 A |
| Total nominal current | 4.8 A |
| Connection type | 1-wire connections |
| Output circuit | Sink |
| Output protection | Thermal shutdown in the event of overcurrent or short circuit, integrated protection for switching inductive loads |
| Inrush current | Max. 2 A for max. 25.5 ms |
| Braking voltage when switching off inductive loads | 39 VDC |
| Reverse polarity protection | No (must be protected externally) |
Electrical properties
| Electrical isolation | Bus isolated from channel and internal I/O power supply Channel not isolated from channel and internal 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 | 0 to 60°C (Rev. ≥ G0), 0 to 55°C (Rev. < G0) |
| Temperature / Operation / Vertical mounting orientation | 0 to 50°C |
| Temperature / Derating | - |
| Temperature / Storage | -25 to 70°C |
| Temperature / Transport | -25 to 70°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.