Short description
| I/O module | 2 ABR incremental encoder 24 V |
General information
| Input voltage | 24 VDC -15% / +20% |
| B&R ID code | 0x1BAB |
| Status indicators | I/O function per channel, operating state, module status |
| Diagnostics | |
| Module run/error | Yes, using LED status indicator and software |
| Power consumption | |
| Bus | 0.01 W |
| Internal I/O | 1.5 W |
| Additional power dissipation caused by actuators (resistive) [W] | – |
| Type of signal lines | Shielded lines must be used for all signal lines. |
| Certifications | |
| CE | Yes |
| UKCA | Yes |
| 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 |
| DNV | Temperature: B(0 to 55°C) Humidity: B(up to 100%) Vibration: B(4 g) EMC: B(bridge and open deck) |
| LR | ENV1 |
| KR | Yes |
| ABS | Yes |
| BV | EC33B Temperature: 5 – 55°C Vibration: 4 g EMC: Bridge and open deck |
| EAC | Yes |
| KC | Yes |
Digital inputs
| Quantity | 2 |
| Nominal voltage | 24 VDC |
| Input current at 24 VDC | Approx. 3.3 mA |
| Input circuit | Sink |
| Input filter | |
| Hardware | ≤2 µs |
| Software | – |
| Connection type | 3-wire connections |
| Input resistance | 7.19 kΩ |
| Additional functions | Home enable switch |
| Switching threshold | |
| Low | <5 VDC |
| High | >15 VDC |
| Insulation voltage between channel and bus | 500 Veff |
ABR incremental encoder
| Encoder inputs | 24 V, asymmetrical |
| Counter size | 16/32-bit |
| Input frequency | Max. 100 kHz |
| Evaluation | 4x |
| Encoder power supply | Module-internal, max. 600 mA |
| Input filter | |
| Hardware | ≤2 µs |
| Software | – |
| Input current at 24 VDC | Approx. 1.3 mA |
| Input resistance | 18.4 kΩ |
| Switching threshold | |
| Low | <5 VDC |
| High | >15 VDC |
| Overload characteristics of encoder power supply | Short-circuit proof, overload-proof |
| Insulation voltage between encoder and bus | 500 Veff |
Electrical properties
| Electrical isolation |
Bus isolated from encoder and reference enable switch
Encoder not isolated from reference enable switch and each other
|
Operating conditions
| 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 |
Ambient conditions
| Temperature | |
| Operation | |
| Horizontal mounting orientation | -25 to 60°C |
| Vertical mounting orientation | -25 to 50°C |
| 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 |
Mechanical properties
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5+0.2mm |













