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B&R X20AI2438
2 analog current measurement inputsIntegrated HART protocolSupports HART variablesElectrically isolated analog channelsElectrically isolated sensor supplies16-bit digital converter resolutionNetTime t…
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Description
2 analog current measurement inputsIntegrated HART protocolSupports HART variablesElectrically isolated analog channelsElectrically isolated sensor supplies16-bit digital converter resolutionNetTime timestamp: Moment of measurement, HART image
The module is equipped with 2 current measurement inputs with 16-bit digital converter resolution. It supports the HART communication standard for data transfer, parameter configuration and diagnostics.Each current measurement input has its own sensor supply. The two channels with their respective sensor supplies are electrically isolated from each other. The user can select between the two measurement ranges 4 to 20 mA and 0 to 25 mA.
Specification
| I/O module | 2 analog inputs 4 to 20 mA or 0 to 25 mA |
|---|---|
| B&R ID code | 0xB3A9 |
| Status indicators | I/O function per channel, operating state, module status, sensor power supply per channel, HART |
| Module run/error | Yes, using LED status indicator and software |
| Inputs | Yes, using LED status indicator and software |
| Sensor power supply | Yes, using LED status indicator and software |
| HART link | Yes, using LED status indicator and software |
| HART error | Yes, using LED status indicator and software |
| Bus | 0.05 W |
| Internal I/O | 1.15 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 GcIP20, Ta (see X20 user’s manual)FTZÚ 09 ATEX 0083X |
| UL | cULus E115267Industrial control equipment |
| HazLoc | cCSAus 244665Process control equipmentfor 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) |
| CCS | Yes |
| LR | ENV1 |
| KR | Yes |
| ABS | Yes |
| BV | EC33BTemperature: 5 – 55°CVibration: 4 gEMC: Bridge and open deck |
| KC | Yes |
| Input | 4 to 20 mA or 0 to 25 mA configurable using software |
| Input type | Differential input |
| Digital converter resolution | 16-bit |
| With HART | 4.7 to 10 samples per second, configurable using software |
| Analog | 4.7 to 100 samples per second, configurable using software |
| Output format | INT |
| 4 to 20 mA | 0.0007 %/°C |
| 0 to 25 mA | 0.0002 %/°C |
| 0 to 25000 µA | INT 0x0000 – 0x61A8 / 1 LSB = 0x0001 = 1000 nA |
| Load | I_IN ≥ 0.1 mA: R < 8000 Ω I_IN ≥ 1 mA: R < 1100 Ω I_IN ≥ 4 mA: R < 510 Ω |
| Input protection | Up to 30 VDC, reverse polarity protection (max. 0.1 A) |
| Open-circuit detection | Yes, using software |
| Permissible input signal | 0 to 25 mA |
| Output of digital value during overload | Configurable |
| Conversion procedure | Sigma-delta |
| DC | 80 dB |
| 50 Hz | Depends on the sampling rate: e.g. >130 dB for 50 samples per second |
| Common-mode range | 0 to 7 V |
| Nonlinearity | <0.003% |
| Hardware | First-order low-pass filter / cutoff frequency 100 Hz |
| Software | Sinc4 filter |
| Channel - Channel | 1000 VAC |
| Channel - Bus | 1000 VAC |
| Channel - Ground | 1000 VAC |
| Power consumption | 0.75 W per channel |
| Nominal voltage | 25 V ±2% |
| Nominal output current | Max. 30 mA |
| Short-circuit proof | Yes, continuous |
| Up to 100 kHz | ≤2.2 mV |
| Up to 1 MHz | ≤22 mV |
| Higher | ≤100 mV |
| Typical | 500 mVpp |
| Maximum | 800 mVpp |
| Behavior on short circuit | Current limiting |
| Transfer rate | 1200 bit/s |
| Operating frequencies | 1200 Hz / 2200 Hz |
| Possible | Yes |
| Stations | 5 nodes (when using HART slaves with a nominal current of 4 mA)Up to 15 (taking into account the maximum permissible input signal of 25 mA) |
| Burst operation possible | Yes |
| Minimum | 120 mVpp |
| Electrical isolation | Channel isolated from channel and busSensor power supply isolated from sensor power supplySensor power supply 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 | – |
| 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. Order 1x bus module X20BM11 separately. |
| Pitch | 12.5+0.2 mm |
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