Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
5-74
I/O modules PCD1|PCD2
PCD2.W3x5
5
5.9.1 PCD2.W3x5, analogue inputs, 7 channels, 12 bit resolution,
electrical isolated
Application
High-speed input module with galvanic separation of inputs to Saia PCD
®
bus,
forgeneralusewith7channels,eachwith12bitresolution.Di󰀨erentvariantsfor
voltage0 … 10V,–10V … +10Vandcurrent0 … 20mAareavailable.
Module overview resolution *)
PCD2.W305: Voltage0 … 10V  2.5mV
PCD2.W315: Current0 … 20 mA 5 µA
PCD2.W325: Voltage–10 … +10V 5 mV
*)Resolution=valueofleastsignicantbit (LSB)
Technical data
Input ranges: see module overview
Galvanic separation: 500 V, galvanic separation of inputs to
Saia PCD
®
, channels themselves not separated
Resolution (digital representa-
tion):
12bits(0 … 4095)
Measuring principle: non-di󰀨erential,single-ended
Input resistance: W305: 13.5kΩ/0.1%
W315: 120Ω/0.1%
W325: 13.7 kΩ/0.1%
Accuracy at 25 °C ± 0.15 %
Repeating accuracy: ± 0.05 %
Temperatureerror(0 … +55°C) ± 0.25 %
Conversion time A/D: ≤2ms
Overvoltage protection: W305: ± 40 VDC (permanent)
W325: ± 40 VDC (permanent)
Overcurrent protection: W315: ± 35 mA (permanent)
EMC protection: yes
Timeconstantofinputlter: Typically 2.4 ms
Internal current consumption:
(from +5 V bus)
< 60 mA
Internal current consumption:
(from V+ bus)
0 mA
External current consumption: 0 mA
Terminals:
Pluggable 14-pole cage spring terminal block
(4 405 5002 0), for wires up to 1.5 mm²
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