Available on request
B&R X20CS1012 – Communication module, 1 M-Bus master for controlling up to…
MPN: X20CS1012 · Brand: B&R
Price on request
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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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Quick facts
| Availability | Confirmed on request |
| Category | X20 electronics module communication |
| Lifecycle | Active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
| Datasheet | Manufacturer datasheet ↗ |
Shipping & availability
When can X20CS1012 be shipped?
X20CS1012 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up X20CS1012 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for X20CS1012 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for X20CS1012, subject to availability and destination.
• Power supply for up to 64 slaves on the M-Bus
• Decentralized use of the communication interface
The M-Bus master is designed as a single-width module and can be connected anywhere within the X20 I/O system. It can therefore be used decentrally for distributed topologies. The M-Bus master supports transfer rates of 300, 2400 and 9600 bit/s; up to 64 slaves supplied via M-Bus can be connected.
M-Bus (Meter-Bus) is a relatively simple fieldbus for recording consumption data, such as from electricity or heat meters. It is based on a reverse polarity protected two-wire line and works according to the master-slave principle.
Accessories
Required accessories (order separately)
| X20BM15 | Bus modules — The bus module is the base for all X20 24 VDC I/O modules; The internal I/O supply is interconnected; Manual node number assignment; Indepe… |
| X20BM11 | Bus modules — Bus module for 24 VDC I/O modules; The internal I/O power supply is connected through. The bus module is the base for all 24 VDC I/O module… |
| X20TB12 | Terminal blocks — Tool-free wiring with push-in technology; Simple wire release using lever; Ability to label each terminal; Plain text labeling also possibl… |
Specifications
Short description
| Communication module | 1 M-Bus master for controlling up to 64 slaves |
General information
| Diagnostics – Module run/error | Yes, using LED status indicator and software |
| Diagnostics – Data transfer | Yes, using LED status indicator |
| Diagnostics – M-Bus power supply | Yes, using LED status indicator and software |
| Power consumption – Bus | 0.2 W |
| Power consumption – Internal I/O | 0.35 W + (Number of slaves * 0.08 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 | 0xCABF |
| Status indicators | Data transfer, M-Bus power supply, operating state, module status |
| Module power dissipation | 0.55 W + (Number of slaves * 0.006 W) |
| Additional power dissipation caused by actuators (resistive) [W] | - |
| Insulation voltage between M-Bus and X2X Link | 500 VDC, 1 min |
Interfaces
| Interface – Type | M-Bus master |
| Interface – Variant | Connection via 12-pin terminal block X20TB12 |
| Interface – Max. distance | See section "M-Bus". |
| Interface – Transfer rate | 300, 2400 or 9600 bit/s |
| Interface – Number of slaves | Max. 64 |
| Interface – Internal resistance of master | Max. 6 Ω |
| Interface – Bus voltage mark at 0 mA | I/O supply voltage + (11.5 to 13.5) V |
| Interface – Bus voltage drop with space | 12 to 13.5 V |
| Interface – Overload shutdown | 250 mA ±10% |
| Interface – Bit threshold | 6 to 9 mA |
| Interface – Collision threshold | 24 to 36 mA |
| Interface – Received readjustment time | Max. 10 s " data-placement="top" data-html="true" data-container="body" data-content="After each load change on M-Bus (e.g. switching slaves on or off)"> |
| Interface – Bus cable | Shielded or unshielded |
Electrical properties
| Electrical isolation | M-Bus isolated from bus ; M-Bus not isolated from 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 – Horizontal mounting orientation | -25 to 60°C |
| Temperature – 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 |
Downloads & documentation
Official documents from B&R, downloaded directly from the manufacturer.
Data sheets & manuals
| Data sheet X20CS1012 | PDF · 1 MB · 1.30 (06/25/2025) - EN |
| X20 Package leaflet ATEX/CSA | PDF · 2 MB · 1.4 (09/17/2024) |
| X20 System User´s Manual | PDF · 50 MB · 4.40 (03/10/2026) - EN |
CAD & dimension drawings
| 3D File DXF/STEP X20 Electronic module | ZIP · 10 KB · 1.0 (10/17/2005) |
| 3D File STEP X20 I/O-Slice | ZIP · 872 KB · 1.1 (03/13/2019) |
| Dimensions PDF X20 Electronic module | PDF · 3 KB · 1.0 (10/17/2005) |
Certificates (7)
| 2226379 CSA Certificate of Compliance X20 X67 | PDF · 205 KB · 2026_09 (09/21/2026) |
| E115267 UL Certificate of Compliance X20 | PDF · 3 MB · 2026_08_27 (08/27/2026) |
| EU Data Act - X20 IO - Connected Product Information Notice | PDF · 92 KB · 1.00 (09/30/2025) |
| EU Declaration ATEX X20 | PDF · 218 KB · 2023-07 (09/05/2023) |
| EU Declaration of conformity PLC X20 | PDF · 169 KB · 2021/10 (11/08/2021) |
| FTZU 09 ATEX 0083X | PDF · 771 KB · 3.00 (10/12/2021) |
| UK Declaration PLC X20 | PDF · 151 KB · 2024-01 (01/18/2024) |
12-month warrantyon all new stock
3-month warrantyon used & refurbished parts
30-day returnsno restocking fee on unused parts
Global shippingFast, tracked delivery worldwide
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