Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
6-59
I/O modules PCD3
PCD3.W2x0
6
6.8.1
PCD3.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
Pt100 resistive temperature sensors, or with thermocouples.
Module overview
PCD3.W200
8 channels for signals 0
…
0.10 V
PCD3.W210
8 channels for signals 0
…
20 mA
PCD3.W220
8 channels for resistive temperature sensors Pt/Ni1000
PCD3.W220Z03 8
channels for NTC10 temperature sensors
PCD3.W220Z12
4 channels for
signals 0 … 10 V
4 channels for resistive temperature sensors Pt/Ni1000
Technical data
Signal ranges:
see module overview
Galvanic separation:
no
Resolution (digital representation):
10 bits (0…1023)
Measuring principle:
non-differential, single-ended
Input resistance:
0…10 V: 200 kΩ / 0.15
%
0…20 mA:
125 Ω / 0,1
%
Pt/Ni1
000:
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 temperature range from 0°…+55°C)
Conversion time A/D:
<
50 μs
Overvoltage protection:
W200/220:
± 50 VDC
Overcurrent protection:
W210:
± 40 mA
Burst protection:
(IEC1000-4-4)
± 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:
Plug-in 10-pole spring terminal block (4 405 4954 0) or
pluggable 10-pole screw terminal block (4 405 4955 0),
both for wires up to 2.5 mm²
Input signals with incorrect polarity significantly distort the measurements on the other channels.