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Saia-Burgess Controls AG
Manual
Manual PCD 1 / PCD 2 Series
│ Document 26
/
737 E
N22 │ 2013-11-26
5
Input/output (I/O) modules
5-55
Analogue input modules
Technical data for add-on modules (variant modules)
PCD2.W110
4 inputs for Pt 100 probes
Current sources
2 mA
Measuring range
-50 °C … +150 °C
Accuracy of measurement better than 0.2 °C
PCD2.W111
4 inputs for Ni 100 probes
Current sources
2 mA
Measuring range
-50 °C … +150 °C
Accuracy of measurement better than 0.4 °C
PCD2.W112
4 inputs for Pt 1000 probes
Current sources
0.2 mA
Measuring range
-50 °C … +150 °C
Accuracy of measurement better than 0.2 °C
PCD2.W113
4 inputs for Ni 1000 probes
Current sources
0.2 mA
Measuring range
-
-50 °C … +150 °C
Accuracy of measurement better than 0.4 °C
PCD2.W114
4 inputs for Pt 100 probes
Current sources
0.2 mA
Measuring range
0 °C … +350 °C
Accuracy of measurement better than 0.4 °C
Accuracy of measurements
The curves below show the maximum measurement error
(measurement and repeating accuracy).
Total error = linearization error + repeating error
Each channel is calibrated to the minimum and maximum values:
-50 °C
→
0
+ 2 LSB
+150 °C
→
4095 - 2 LSB
For these two values, the measurement error = 0.