| I/O module | 4 digital input channels, 4 digital channels configurable as inputs or outputs, 1 universal counter pair (2 event counters, AB counter or up/down counter), linear movement generator (A/B, direction/frequency) with up to two reference pulses, SSI absolute encoder, relative or absolute moments of input edges with μs resolution, time-triggered I/O, I/O oversampling |
General information
| B&R ID code | 0x2547 |
| Status indicators | I/O function per channel, operating state, module status |
| Diagnostics | |
| Module run/error | Yes, using LED status indicator and software |
| Outputs | Yes, using LED status indicator |
| 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 |
Linear motion generator
| Quantity | 1 |
| Encoder outputs | 24 V, asymmetrical (A/B, direction/frequency) |
| Counter size | 16/32-bit |
Digital inputs
| Quantity | 4 + 4, configuration as input or output using software |
| Nominal voltage | 24 VDC |
| Input voltage | 24 VDC -15% / +20% |
| Input current at 24 VDC | Approx. 1.3 mA |
| Input circuit | Sink |
| Input filter | |
| Hardware | ≤2 µs |
| Software | – |
| Input resistance | 18.4 kΩ |
| Additional functions | SSI absolute encoder, universal counter pair, latch function for universal counter pair |
| Input frequency | 100 kHz |
| Switching threshold | |
| Low | <5 VDC |
| High | >15 VDC |
| Overload characteristics of encoder power supply | Short-circuit proof, overload-proof |
| Insulation voltage between channel and bus | 500 Veff |
SSI absolute encoder
| Quantity | 1 |
| Counter size | Up to 32-bit depending on encoder |
| Max. transfer rate | 125 kbit/s |
| Encoder power supply | Module-internal, max. 600 mA |
| Nominal voltage | 24 V, asymmetrical |
Universal counter pair
| Quantity | 1 |
| Operating modes | 2x event counter, up/down counter, AB counter |
| Encoder inputs | 24 V, asymmetrical |
| Counter size | 16/32-bit |
| Input frequency | Max. 100 kHz |
| Evaluation | |
| AB counter | 4x |
| Event counters | 2x |
| Up/Down counter | 2x |
| Signal form | Square wave pulse |
| Encoder power supply | Module-internal, max. 600 mA |
Digital outputs
| Quantity | Up to 4, configuration as input or output using software |
| Variant | Push / Pull / Push-Pull |
| Nominal voltage | 24 VDC |
| Switching voltage | 24 VDC -15% / +20% |
| Nominal output current | 0.1 A |
| Total nominal current | 0.4 A |
| Output circuit | Sink and/or source |
| Output protection | Thermal shutdown in the event of overcurrent or short circuit, integrated protection for switching inductive loads |
| Diagnostic status | Output monitoring |
| Leakage current when the output is switched off | Max. 25 µA |
| Residual voltage | <0.9 V at 0.1 A nominal current |
| Peak short-circuit current | <10 A |
| Switch-on in the event of overload shutdown or short-circuit shutdown | Approx. 10 ms (depends on the module temperature) |
| Switching delay | |
| 0 → 1 | <2 µs |
| 1 → 0 | <2 µs |
| Switching frequency | |
| Resistive load | Max. 125 kHz |
| Inductive load | See section «Switching inductive loads». |
| Braking voltage when switching off inductive loads | Switching voltage + 0.6 VDC |
| Additional functions | Clock for SSI absolute encoder, linear movement generator |
Electrical properties
| Electrical isolation |
Channel isolated from bus
Channel not isolated from channel
|
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 |
