Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Analogue input modules
Input/output (I/O) modules
6-55
6
6.8.2 PCD2.W3x0, analogue inputs, 8 channels, 12 bit resolution
Application
High-speed input module for general use with 8 channels, each with 12 bit resolution.
Different variants for voltage 0...10 V, current 0...20 mA and the use of different
resistance thermometers are available.
Module overview
Rsolution *)
PCD2.W300:
Voltage 0..10 V
2,442 mV
PCD2.W310:
Current 0...20 mA
4.884 μA
PCD2.W340:
General purpose module
0
…
10 V
2,442 mV
0
… 20 mA
4.884 μA
Pt/Ni 1000 (default)
Pt 1000:
-50
…
+400 °C 0.14
…
0.24 °C
Ni 1000:
-50
…
+200 °C 0.09
…
0.12 °C
PCD2.W350:
Temperature sensor
Pt/Ni 100
Pt 100:
-50
…
+600 °C 0.14
…
0.20 °C
Ni 100:
-50
…
+250 °C 0.06
…
0.12 °C
PCD2.W360:
Temperature sensor
Pt 1000
-50
…
+150 °C 0.07
…
0.09
°C (resolution < 0.1
°C)
Method of linearization for temperature inputs: by software
*) Resolution = value of least significant bit(LSB)
Technical data
Input ranges:
see module overview
Galvanic separation:
no
Resolution (digital representation): 12 bit (0 … 4095)
Measuring principle:
non-differential, single-ended
Input resistance:
W300:
20 kΩ / 0.15
%
W310:
125 Ω / 0.1
%
W340:
U: 200 kΩ / I: 125 Ω
W350:
not relevant
W360:
not relevant
Maximum measurement current
for temp.measurement probes:
2.0 mA
Accuracy at 25°C
W300, 310:
± 0.5 %
W340, 350, 360: ± 0.3 %
Repeat accuracy:
± 0.05 %
Temperature error (0 …
+55
°C)
± 0.2 %
Conversion time A/D:
< 10 µs
Overvoltage protection:
W340:
± 50 V
DC
(permanent)
W300 *):
+ 50 V
DC
(permanent)
Overcurrent protection:
W340:
± 40 mA (permanent)
W310 *):
+ 40 mA (permanent)
EMC protection:
yes