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 signals0 … 10V
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-dierential,single-ended
Input resistance: 0…10V:200kΩ/0.15 %
0…20mA: 125Ω/0,1 %
Pt/Ni1000: 7.5kΩ/0.1 %
NTC10: 10kΩ/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:
<50μs
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
Timeconstantofinputlter: 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
Inputsignalswithincorrectpolaritysignicantlydistortthemeasurementsontheotherchannels.