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The B&R X20CM4323 is a mixed i/o module. 4 digital outputs for switching electromechanical loads, pulse width modulation. The listed technical data is based on the manufacturer's data sheet. It is supplied by SHLY-PLC, an independent industrial-automation distributor: every unit is visually inspected and functionally checked before dispatch, held in ready stock and shipped worldwide for maintenance, spares and retrofit use. Share your application or existing part number and our team will confirm fitment and comparable in-stock alternatives.
Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications | |
| General | |
| I/O module | 4 digital outputs for switching electromechanical loads, pulse width modulation |
| Diagnostics | |
| Module run/error | Yes, using LED status indicator and software |
| Outputs | Yes, using LED status indicator and software (output error status) |
| Power consumption | |
| Bus | 0.01 W |
| Internal I/O | 1.4 W |
| External I/O | Corresponding to external load |
| Certifications | |
| CE | Yes |
| UKCA | Yes |
| CRA (Cyber Resilience Act) | In preparation |
| ATEX | Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X |
| UL | cULus E115267 Industrial control equipment |
| B&R ID code | 0xEC21 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | - |
| Pulse width modulation | |
| Period duration | 1 ms (1 kHz) or 20 µs (50 kHz) |
| Pulse duration | 0 to 100% |
| Resolution for pulse duration | 1% |
| Output voltage | |
| Minimum | 18 VDC |
| Nominal | 24 VDC |
| Maximum | 48 VDC |
| Protective circuit | |
| External | 24 VDC power supply - maximum current 10 A (melting fuse) |
| Nominal voltage | 24 VDC |
| Nominal output current | 0.75 A |
| Total nominal current | 3 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 | 1.5 A for max. 25 ms |
| Braking voltage when switching off inductive loads | 27 VDC |
| Reverse polarity protection | No (must be protected externally) |
| Electrical isolation | Bus isolated from channel and internal I/O power supply Channel not isolated from channel and internal I/O power supply |
| Mounting orientation | |
| Horizontal | Yes |
| Vertical | Yes |
| Installation elevation above sea level | |
| 0 to 2000 m | No limitation |
| >2000 m | Reduction of ambient temperature by 0.5°C per 100 m |
| Degree of protection per EN 60529 | IP20 |
| Operation | |
| Horizontal mounting orientation | 0 to 50°C |
| Vertical mounting orientation | 0 to 40°C |
| Derating | - |
| Storage | -25 to 70°C |
| Transport | -25 to 70°C |
| Relative humidity | |
| Operation | 5 to 95%, non-condensing |
| Storage | 5 to 95%, non-condensing |
| Transport | 5 to 95%, non-condensing |
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5 +0.2 mm |
| X20BM15 | X20 bus module, with node number switch, 24 VDC keyed, internal I/O power supply connected through |
| X20BM11 | X20 bus module, 24 VDC keyed, internal I/O power supply connected through |
| X20TB12 | X20 terminal block, 12-pin, 24 VDC keyed |
| Automation Studio HW Upgrades | Version (Date) |
| V4.0 HW Upgrade (X20CM4323) | 1.3.0.0 (09/21/2021) 1.2.0.0 (07/23/2021) 1.1.0.0 (10/25/2019) 1.0.4.0 (11/12/2018) 1.0.3.0 (06/06/2017) |
| Certificates | Version (Date) |
| E115267 UL Certificate of Compliance X20 | 2026_08_27 (08/27/2026) |
| EU Data Act - X20 IO - Connected Product Information Notice | 1.00 (09/30/2025) |
| EU Declaration ATEX X20 | 2023-07 (09/05/2023) |
| EU Declaration of conformity PLC X20 | 2021/10 (11/08/2021) |
| UK Declaration PLC X20 | 2024-01 (01/18/2024) |
| Documentation | Version (Date) |
| Data sheet X20CM4323 | 1.21 (08/28/2025) - DE 1.21 (08/28/2025) - EN |
| X20 System User´s Manual | 4.40 (03/10/2026) - DE 4.40 (03/12/2026) - IT 4.40 (03/12/2026) - FR 4.40 (03/10/2026) - EN |
| E-CAD (Electro or EPLAN Templates) | Version (Date) |
| X20 EPLAN P8 from V2.4 | 4.0.5 (08/31/2023) 4.0.4 (10/27/2022) |
| M-CAD (Mechan. Templates) | Version (Date) |
| 3D File DXF/STEP X20 Electronic module | 1.0 (10/17/2005) |
| 3D File STEP X20 I/O-Slice | 1.1 (03/13/2019) |
| Dimensions PDF X20 Electronic module | 1.0 (10/17/2005) |
Model variants, options and firmware revisions can affect fitment. Before ordering the B&R X20CM4323 mixed i/o module, share your existing part number or project requirements and our team will cross-reference comparable in-stock B&R units and verify compatibility. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
A: Each unit is inspected and functionally checked before sale. Contact us for the current stock condition and quantity.
A: Orders are processed within 2-4 business days after payment confirmation. Standard worldwide delivery is about 5-8 business days, express shipping is available and orders over $500 ship free.
A: Yes. Share your existing part number or application and our technical team will verify compatibility and provide cross-references to comparable in-stock models.
X20CM4323 · Technical reference data · Independently supplied by SHLY-PLC
Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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