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B&R X20CM8281
Digital and analog channelsSelectable current and voltage for AI and AOCounter functions
The module is a universal mixed module. On this module, digital I/…
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Description
Digital and analog channelsSelectable current and voltage for AI and AOCounter functions
The module is a universal mixed module. On this module, digital I/O and analog I/O are combined. A current or voltage signal can be used for the analog I/O as desired. Counter functions on two of the digital inputs expand the range of use.
Specification
| I/O module |
4 digital inputs, 2 digital outputs, 1 analog input, 1 analog output, special functions |
|---|---|
| B&R ID code |
0x24C3 |
| Status indicators |
I/O function per channel, operating state, module status |
| Module run/error |
Yes, using LED status indicator and software |
| Analog inputs |
Yes, using LED status indicator and software |
| Digital outputs |
Yes, using LED status indicator and software (output error status) |
| Bus |
0.01 W |
| Internal I/O |
1.75 W |
| Additional power dissipation caused by actuators (resistive) [W] |
– |
| CE |
Yes |
| UKCA |
Yes |
| CRA (Cyber Resilience Act) |
In preparation |
| ATEX |
Zone 2, II 3G Ex nA nC IIA T5 Gc |
| UL |
cULus E115267 |
| HazLoc |
cCSAus 244665 |
| DNV |
Temperature: B (0 to 55°C) |
| CCS |
Yes |
| LR |
ENV1 |
| KR |
Yes |
| ABS |
Yes |
| BV |
EC33B |
| KC |
Yes |
| Quantity |
1 |
| Nominal voltage |
24 VDC |
| Input characteristics per EN 61131-2 |
Type 1 |
| Input voltage |
24 VDC -15% / +20% |
| Input current at 24 VDC |
Typ. 3.3 mA |
| Input circuit |
Sink |
| Hardware |
≤2 µs |
| Software |
Default 1 ms, configurable between 0 and 25 ms in 0.2 ms increments |
| Connection type |
1-wire connections |
| Input resistance |
Typ. 7.18 kΩ |
| Additional functions |
20 kHz event counting, gate measurement |
| Low |
<5 VDC |
| High |
>15 VDC |
| Insulation voltage between channel and bus |
500 Veff |
| Signal form |
Square wave pulse |
| Evaluation |
Positive edge – Negative edge |
| Input frequency |
Max. 20 kHz |
| Counter 1 |
Input 1 |
| Counter 2 |
Input 3 |
| Counter frequency |
Max. 20 kHz |
| Counter size |
16-bit |
| Internal |
48 MHz, 24 MHz, 12 MHz, 6 MHz, 3 MHz, 1.5 MHz, 750 kHz, 375 kHz, 187.5 kHz |
| Length of pause between pulses |
≥100 µs |
| Pulse length |
≥20 µs |
| Supported inputs |
Input 4 |
| Input |
±10 V or 0 to 20 mA / 4 to 20 mA, via different terminal connections |
| Input type |
Single-ended |
| Voltage |
Max. 0.02%, from 10 MΩ → 1 kΩ, resistive |
| Current |
Max. 0.5%, from 1 Ω → 400 Ω, resistive |
| Conversion time |
300 µs, conversion runs asynchronous to the X2X Link cycle |
| Output format |
INT |
| Input protection |
Protection against wiring with supply voltage |
| Conversion procedure |
Successive approximation |
| Input filter |
Second-order low-pass filter / Cutoff frequency 1 kHz |
| Gain |
0.05% |
| Offset |
0.125% |
| Variant |
Current-sourcing FET |
| Switching voltage |
24 VDC -15% / +20% |
| Nominal output current |
0.5 A |
| Total nominal current |
1 A |
| Output circuit |
Source |
| Output protection |
Short-circuit proof |
| Diagnostic status |
Output monitoring with 10 ms delay |
| Leakage current when the output is switched off |
5 µA |
| RDS(on) |
105 mΩ |
| Peak short-circuit current |
<14 A |
| Switch-on in the event of overload shutdown or short-circuit shutdown |
Approx. 10 ms (depends on the module temperature) |
| 0 → 1 |
<250 µs |
| 1 → 0 |
<270 µs |
| Resistive load |
Max. 100 Hz |
| Inductive load |
See section "Switching inductive loads". |
| Braking voltage when switching off inductive loads |
Typ. 50 VDC |
| Output |
±10 V or 0 to 20 mA, via different terminal connections |
| Digital converter resolution |
12-bit |
| Settling time on output change over entire range |
1 ms |
| Switch on/off behavior |
Internal enable relay for startup and errors |
| Nonlinearity |
<0.1% |
| Electrical isolation |
Channel isolated from bus Channel not isolated from channel |
| Horizontal |
Yes |
| Vertical |
Yes |
| 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 |
| Horizontal mounting orientation |
-25 to 60°C |
| Vertical mounting orientation |
-25 to 50°C |
| Derating |
See section "Derating". |
| Storage |
5 to 95%, non-condensing |
| Transport |
5 to 95%, non-condensing |
| Operation |
5 to 95%, non-condensing |
| Note |
Order 1x terminal block X20TB12 separately. |
| Pitch |
12.5+0.2 mm |
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