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B&R X20ST4492
2 safe analog input pairs for thermocouplesFor sensor types J, K, N, S, R, C, T, raw value measurement1 safe analog input pair for resistance temperature measurementFor PT100 and PT1000Configurable se…
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Description
2 safe analog input pairs for thermocouplesFor sensor types J, K, N, S, R, C, T, raw value measurement1 safe analog input pair for resistance temperature measurementFor PT100 and PT1000Configurable sensor type per channel24-bit digital converter resolutionGalvanically isolated analog channel pairsInput filter configurableIntegrated terminal temperature compensation2x PT1000 sensor integrated in the terminal (X20TB5E)2x external PT1000 sensor can be connected (X20TB5F)
The module is equipped with 2 safe analog input pairs for J, K, N, S, R, C and T thermocouple sensors and 1 safe analog input pair for PT100/PT1000 resistance temperature measurement.The safe temperature module is suitable for safely acquiring temperatures for safety-related applications up to PL e or SIL 3.This module is designed for X20 16-pin terminal blocks.
Specification
| I/O module |
2x 2 safe analog inputs for thermocouples, 1x 2 safe analog inputs for PT100/PT1000 sensors, channel pairs galvanically isolated, integrated terminal temperature compensation, integrated temperature sensor in terminal block X20TB5E |
|---|---|
| B&R ID code |
0xB419 |
| Status indicators |
I/O function per channel, operating state, module status |
| Module run/error |
Yes, using LED status indicator and software |
| Inputs |
Yes, using LED status indicator and software |
| Scope |
Module |
| Function |
Module functionality |
| Standalone mode |
No |
| Max. I/O cycle time |
2 ms |
| Bus |
0.25 W |
| Internal I/O |
1.2 W |
| Additional power dissipation caused by actuators (resistive) [W] |
– |
| Channel - Bus |
Yes |
| Channel - Channel |
No |
| Channel pair - Channel pair |
Yes |
| CE |
Yes |
| UKCA |
Yes |
| CRA (Cyber Resilience Act) |
In preparation |
| Functional safety |
EN 50156-1:2004 |
| ATEX |
Zone 2, II 3G Ex nA nC IIA T5 Gc |
| UL |
cULus E115267 |
| HazLoc |
cCSAus 244665 |
| DNV |
Temperature: A (0 to 45°C) |
| CCS |
Yes |
| LR |
ENV1 |
| KR |
Yes |
| ABS |
Yes |
| BV |
EC21B |
| KC |
Yes |
| Note |
Order 1x safety-keyed terminal block separately. |
| Nominal voltage |
24 VDC |
| Voltage range |
24 VDC -15% / +20% |
| Quantity |
1 safe input channel pair |
| Variant |
Type PT100/PT1000 |
| Digital converter resolution |
24-bit |
| Filter time |
Configurable between 1 and 66.7 ms |
| Output format |
SAFEINT |
| Type J: Fe-CuNi |
35.25°C |
| Type K: NiCr-Ni |
47.62°C |
| Type N: NiCrSi-NiSi |
51.81°C |
| Type S: PtRh10-Pt |
150.90°C |
| Type R: PtRh13-Pt |
134.54°C |
| Type C: WRe5-WRe26 |
111.36°C |
| Type T: Cu-CuNi |
30.82°C |
| Voltage |
2080 µV |
| Max. internal resistance of source during voltage measurement |
20 Ω |
| Terminal temperature compensation |
Internal / External |
| Sensor standard |
EN 60584 |
| Sensor temperature |
1 LSB = 0.1°C |
| Conversion procedure |
Sigma-delta |
| Linearization method |
Internal |
| Permissible input signal |
Max. ±1 V |
| Input filter |
First-order low-pass filter / cutoff frequency 500 Hz |
| Max. gain drift |
0.004 %/°C |
| Accuracy of internal terminal temperature |
15°C at static temperatures and during safe operation |
| DC |
>70 dB |
| 50 Hz |
>70 dB |
| Common-mode range |
±4 V within channel pair, ±50 V between 2 channel pairs |
| Crosstalk between channels |
≤70 dB |
| Insulation voltage between channel and bus |
500 VDC |
| Pt100 |
12.60°C |
| Pt1000 |
8.93°C |
| Measuring current |
262 µA ±5% |
| Cutoff frequency |
500 Hz first-order |
| Max. line length |
50 m |
| Max. line resistance |
5 Ω |
| Horizontal |
Yes |
| Vertical |
Yes |
| Installation elevation above sea level |
0 to 2000 m, no limitation |
| Degree of protection per EN 60529 |
IP20 |
| Horizontal mounting orientation |
0 to 60°C |
| Vertical mounting orientation |
0 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 |
| Pitch |
25+0.2 mm |
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