SBC PCD2.M5 Series - Pcd2.W3 X5, Analogue Inputs, Electrically Isolated, 7 Channels; Bit Resolution

Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Analogue input modules, electrically isolated
Input/output (I/O) modules
6-61
6
6.9.1 PCD2.W3x5,analogueinputs,electricallyisolated,7channels,
12 bit resolution
Application
High-speed input modules for general use, electrically isolated from the CPU, with 7
channels, each with 12 bit resolution. Different 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, electrical isolation of outputs to PCD,
channels themselves not separated
Resolution(digitalrepresentation): 12bit(0 … 4095)
Measuring principle: non-differential, 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 %
Repeat 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springterminalblock(440550020),
for Ø up to 1.5 mm²,