B&R X20DI4760
4 digital inputs Input module for NAMUR encoders Open line and short circuit detection Each input can be used as a counter input The module is used to transfer digital signals from NAMUR encoders according to EN 60947-5-6. In addition to NAMUR encoders, normal switches can also be used.
Lifecycle & replacement
No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Technical specifications
Short description
| I/O module | 4 NAMUR inputs, special function |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Short circuit | Yes, using LED status indicator and software |
| Diagnostics / Open circuit | Yes, using LED status indicator and software |
| Power consumption / Bus | 0.01 W |
| Power consumption / Internal I/O | 1.5 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 |
| Certifications / DNV | Temperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck) |
| Certifications / CCS | Yes |
| Certifications / LR | ENV1 |
| Certifications / KR | Yes |
| Certifications / ABS | Yes |
| Certifications / BV | EC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck |
| Certifications / KC | Yes |
| B&R ID code | 0x2105 |
| Status indicators | I/O function per channel, open-circuit and short-circuit detection per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | - |
Event counters
| Input frequency / 1 input active | Max. 1600 Hz |
| Input frequency / 2 inputs active | Max. 1100 Hz |
| Input frequency / 3 inputs active | Max. 870 Hz |
| Input frequency / 4 inputs active | Max. 680 Hz |
| Quantity | 4 |
| Signal form | Symmetrical square waves or corresponding minimum pulse duration |
| Evaluation | Each positive edge, cyclic counter |
| Counter size | 8-bit |
NAMUR inputs
| Input delay / 1 input active | ≤310 µs |
| Input delay / 2 inputs active | ≤450 µs |
| Input delay / 3 inputs active | ≤570 µs |
| Input delay / 4 inputs active | ≤735 µs |
| Switching threshold / Area | 1.2 mA to 2.1 mA |
| Switching threshold / Switching hysteresis | Typ. 300 µA |
| Open-circuit detection | <350 µA |
| Input circuit | For NAMUR encoder per EN 60947-5-6 |
| Insulation voltage between channel and bus | 500 Veff |
| Short-circuit detection | >7 mA |
| Open-circuit voltage | 8.05 V ±0.33% |
| Switching amplifier internal resistance | 1 kΩ ±1% |
| Max. short-circuit current | 8.2 mA |
Electrical properties
| Electrical isolation | Channel isolated from bus Channel not isolated from channel |
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 | See section "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
Certificates
- 2226379 CSA Certificate of Compliance X20 X67
- 64331_A1 BV Certificate of Compliance X20
- 64331_A1 BV Certificate of Compliance X20(de)
- ABS Certificate of Product Design Assessment - X20 IO Series
- CCS Type Approval Certificate - X20
- E115267 UL Certificate of Compliance X20
- EU Data Act - X20 IO - Connected Product Information Notice
- EU Declaration ATEX X20
- EU Declaration of conformity PLC X20
- FTZU 09 ATEX 0083X
- KR Type Approval Certificate MIL39390-AC003 (X20 System)
- Lloyds Register (X20 only)
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.