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| Brand Name : | B&R | 
| Model Number : | X20DI4371 | 
| Certification : | CE | 
| Price : | USD | 
| Payment Terms : | T/T | 
| Supply Ability : | 10EA | 
| Delivery Time : | 3-5 working days | 

The module is equipped with 4 inputs for 3-wire connections.
| I/O module | 4 digital inputs 24 VDC for 3-wire connections | 
| B&R ID code | 0x1B92 | 
| 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 | 0.14 W | 
| Internal I/O | 0.59 W | 
| Additional power dissipation caused by actuators (resistive) [W] | - | 
| 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 - 55°C) Humidity: B(up to 100%) Vibration: B(4 g) EMC: B(bridge and open deck) | 
| LR | ENV1 | 
| KR | Yes | 
| ABS | Yes | 
| EAC | Yes | 
| KC | Yes | 
| Nominal voltage | 24 VDC | 
| Input characteristics per EN 61131-2 | Type 1 | 
| Input voltage | 24 VDC -15% / +20% | 
| Input current at 24 VDC | Typ. 3.75 mA | 
| Input circuit | Sink | 
| Input filter | |
| Hardware | ≤100 μs | 
| Software | Default 1 ms, configurable between 0 and 25 ms in 0.2 ms increments | 
| Connection type | 3-wire connections | 
| Input resistance | Typ. 6.4 kΩ | 
| Switching threshold | |
| Low | <5 VDC | 
| High | >15 VDC | 
| Insulation voltage between channel and bus | 500 Veff | 
| Quantity | 4 | 
| Signal form | Square wave pulse | 
| Evaluation | Configurable edge event, cyclical counter | 
| Input frequency | Max. 1 kHz | 
| Counter 1 | Input 1 | 
| Counter 2 | Input 2 | 
| Counter 3 | Input 3 | 
| Counter 4 | Input 4 | 
| Counter frequency | Max. 1 kHz (if input filter switched off) | 
| Counter size | 16-bit | 
| Power consumption | Max. 12 W | 
| Voltage | Module power supply minus voltage drop for short-circuit protection | 
| Voltage drop for short-circuit protection at 500 mA | Max. 2 VDC | 
| Summation current | 0.5 A | 
| Short-circuit proof | Yes | 
| Electrical isolation | Channel isolated from bus Channel not isolated from channel | 
| 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 | 
| 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 | 
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately. | 
| Pitch | 12.5+0.2mm | 
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