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
6-49
6
6.8.1 PCD2.W2x0, analogue inputs, 8 channels, 10 bit resolution
Application
With its short conversion time of <50 µs, this module is universally suitable for
recording analogue signals. The only limitations are with weak signals, as with Pt 100
resistive temperature sensors, or with thermocouples.
Module overview
PCD2.W200
8 channels for signals 0
…
10 V
PCD2.W210
8 channels for signals 0
…
20 mA
PCD2.W220
8 channels for resistive temperature sensors Pt/Ni 1000
PCD2.W220Z02
8
channels for NTC10 temperature sensors
PCD2.W220Z12
4
channels for
signals 0 … 10 V
4
channels for resistive temperature sensors Pt/Ni 1000
Technical data
Signal ranges:
see module overview
Galvanic separation:
no
Resolution (digital representation): 10 bit (0 … 1023)
Measuring principle:
non-differential, single-ended
Input resistance:
0 … 10 V:
80 kΩ / 0.15 %
0 … 20 mA:
125 Ω / 0,1 %
Pt/Ni 1000:
7,5 kΩ / 0,1 %
NTC 10:
10 kΩ / 0,1 %
Maximum measurement current
for resistance measurement with
W220:
1.5 mA
Accuracy:
(of measured value)
± 3 LSB
Repeating accuracy
(under same conditions):
within 1 LSB
Temperature error:
± 0,3
% ( ± 3 LSB)
(over a temperature range from 0° …
+55
°C)
Conversion time A/D:
<
50 µs
Overvoltage protection:
W200/220:
± 50 V
DC
Overcurrent protection:
W210:
±40 mA
Burst protection:
(IEC 1000-4-4)
± 1 kV, with unshielded cables
± 2 kV, with shielded cables
Time constant of input filter:
W200: typically 5 ms
W210: typically 1 ms
W220 : typically 10 ms
Internal current consumption:
(from +5 V bus)
8 mA (W200/210/220)
Internal current consumption:
(from V+ bus)
5 mA (W200/210)
16 mA (W220)
External current consumption:
0 mA
Terminals:
Pluggable 10-pole screw terminal block (4 405 4847 0),
for wires up to 1.5 mm²