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
5-65
Analogue input modules
5.8.4 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
resolution *)
PCD2.W300:
Voltage 0 … 10 V
2.442 mV
PCD2.W310:
Current 0 …
20 mA
4.884
μ
A
PCD2.W340:
General purpose module
0 … 10 V
2.442 mV
0 … 20 mA
4.884 μ
A
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 bits (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 signal current for the
resistance thermometers:
2.0 mA
Accuracy at 25 °C
W300, 310:
± 0.5 %
W340, 350, 360: ± 0.3 %
Repeating 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
