Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications |
| General |
| I/O module |
X20 energy measurement and synchronization module |
| Diagnostics |
| Module run/error |
Yes, using LED status indicator and software |
| Analog inputs |
Yes, using LED status indicator (measurement range of analog inputs) |
| Digital outputs |
Yes, using LED status indicator and software |
| Power consumption |
| Bus |
1.4 W |
| Internal I/O |
4 W |
| 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 |
| HazLoc |
cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5 |
| KC |
Yes |
| B&R ID code |
0x2433 |
| Status indicators |
Channel status, operating state, module status |
| Overvoltage category |
ll |
| Additional power dissipation caused by actuators (resistive) [W] |
- |
| Switching delay |
| 0 → 1 |
<300 μs |
| 1 → 0 |
<300 μs |
| 0 → 1 |
≤10 ms |
| 1 → 0 |
≤10 ms |
| Switching frequency |
| Resistive load |
Max. 100 Hz |
| Quantity |
5 |
| Variant |
Current-sourcing FET |
| Nominal voltage |
24 VDC |
| Switching voltage |
24 VDC -15% / +20% |
| Nominal output current |
0.1 A |
| Total nominal current |
0.5 A |
| Connection type |
1-wire connections |
| Output circuit |
Source |
| Output protection |
Thermal shutdown in the event of overcurrent or short circuit |
| Diagnostic status |
Output monitoring with 10 ms delay |
| Leakage current when the output is switched off |
5 μA |
| Residual voltage |
<0.3 V at 0.1 A nominal current |
| Peak short-circuit current |
<2 A |
| Switch-on in the event of overload shutdown or short-circuit shutdown |
Approx. 10 ms, depends on the module temperature |
| Insulation voltage between channel and bus |
500 V eff |
| Switching capacity |
| Min. |
10 mA / 5 VDC |
| Max. |
30 W / 240 VAC |
| Service life |
| Mechanical |
Min. 10 x 10 6 ops. |
| Electrical |
Min. 60 x 10 3 ops. (NC) at 1 A Min. 30 x 10 3 ops. (NO) at 1 A |
| Protective circuit |
| Internal |
None |
| External |
None |
| DC |
Inverse diode, RC combination or VDR |
| AC |
RC combination or VDR |
| Insulation voltage |
| Channel - Channel |
1000 VAC / 1 min |
| Channel - Bus |
4000 VAC / 1 min |
| Quantity |
1 |
| Variant |
Relay / Changeover contact |
| Nominal voltage |
30 VDC / 240 VAC |
| Rated frequency |
DC / 45 to 63 Hz |
| Nominal output current |
1 A at 30 VDC / 1 A at 240 VAC |
| Actuator power supply |
External |
| Switching voltage |
Max. 60 VDC / 250 VAC |
| Contact resistance |
Max. 100 mΩ |
| Conversion time |
| 50 Hz |
20 ms |
| 60 Hz |
16.67 ms |
| Output format |
| ±120 VAC |
1 LSB = 0x0001 = 5.707 mV |
| ±480 VAC |
1 LSB = 0x0001 = 22.787 mV |
| ±1 A |
1 LSB = 0x0001 = 189.903 μA |
| ±5 A |
1 LSB = 0x0001 = 949.513 μA |
| Output of digital value during overload |
| Overshoot |
0x7FFF |
| Undershoot |
0x8001 |
| Input filter |
| Cutoff frequency |
10 kHz |
| Slope |
60 dB |
| Max. error at 25°C |
| Gain |
0.09% |
| Offset |
0.03% |
| Channels |
8 |
| Input |
120 VAC / 480 VAC |
| Input type |
Single-ended |
| Digital converter resolution |
±15-bit |
| Permissible input signal |
Max. 132 VAC / 528 VAC |
| Conversion method |
SAR |
| Maximum gain drift |
0.02% per °C |
| Maximum offset drift |
0.003% per °C |
| Crosstalk between channels |
-70 dB |
| Nonlinearity |
≤0.5% at 45 to 65 Hz |
| Protection against electric shock |
Protective impedance per EN 61131-2 |
| Test voltage between channel and bus (type test) |
3700 V eff |
| Output format |
INT |
| Input impedance in signal range |
Approx. 3 MΩ |
| Input protection |
Overvoltage protection |
| Gain |
0.2% |
| Offset |
0.05% |
| Input impedance |
| Measurement range 1 A |
Max. 30 mΩ |
| Measurement range 5 A |
Max. 10 mΩ |
| Channels |
3 |
| Input |
1 A / 5 A AC |
| Input type |
Isolated current transformer according to the compensation principle with a magnetic sensor, for connecting an external transformer |
| Permissible input signal |
Max. 1.5 A / 7.7 A |
| Maximum gain drift |
0.07% per °C |
| Thermal overcurrent |
15 x I Nom for 0.2 s |
| Monitored overcurrent |
4 x I Nom |
| Electrical isolation |
Bus isolated from I/O power supply and digital inputs and outputs Digital inputs and outputs isolated from each other |
| 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 60°C |
| Vertical mounting orientation |
0 to 50°C |
| Derating |
See section "Derating". |
| Storage |
-40 to 85°C |
| Transport |
-40 to 85°C |
| Relative humidity |
| Operation |
5 to 95%, non-condensing |
| Storage |
5 to 95%, non-condensing |
| Transport |
5 to 95%, non-condensing |
| Note |
Order 2x terminal block X20TB12 separately. Order 2x screw clamp terminal block TB3102 and 2x screw clamp terminal block TB3104 separately. |
| Pitch |
87.5 +0.2 mm |
| X20TB12 |
X20 terminal block, 12-pin, 24 VDC keyed |
| 0TB3104-7012 |
Accessory terminal block, 4-pin, B-coded, screw clamp terminal block 6 mm² |
| 0TB3104-7011 |
Accessory terminal block, 4-pin, A-coded, screw clamp terminal block 6 mm² |
| 0TB3102-7012 |
Accessory terminal block, 2-pin, B-coded, screw clamp terminal block 6 mm² |
| 0TB3102-7011 |
Accessory terminal block, 2-pin, A-coded, screw clamp terminal block 6 mm² |
| Automation Studio HW Upgrades |
Version (Date) |
| V2.6 HW Upgrade (X20CM0985) |
1.0.6.0 (12/14/2015) |
| V3.0 HW Upgrade (X20CM0985) |
1.0.6.0 (12/14/2015) |
| V4.0 HW Upgrade (X20CM0985) |
1.1.0.0 (07/23/2021) 1.0.6.0 (12/14/2015) |
| 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) |
| FTZU 09 ATEX 0083X |
3.00 (10/12/2021) |
| UK Declaration PLC X20 |
2024-01 (01/18/2024) |
| X20, X67 KC certificates |
2.00 (08/17/2026) |
| Documentation |
Version (Date) |
| Data sheet X20CM0985 |
1.50 (07/29/2025) - DE 1.50 (07/29/2025) - EN |
| X20 Package leaflet ATEX/CSA |
1.4 (09/17/2024) |
| 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 data DXF / STEP X20CM0985 |
1.0 (12/13/2010) |
Model variants, options and firmware revisions can affect fitment. Before ordering the B&R X20CM0985 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.
Independent supplier: B&R part X20CM0985 is supplied by SHLY-PLC, an independent industrial-automation distributor. Brand names and part numbers are used for product identification and remain the property of their respective owners; this listing is not affiliated with, sponsored or endorsed by the manufacturer.
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.