SBC PCD2 Series - Pcd3.W3 X5, Analogue Inputs Electrically Isolated from the I;O Bus; Channels, 12 Bit Resolution

Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
6-74
I/O modules PCD3
PCD3.W3x5
6
6.9.1 PCD3.W3x5, analogue inputs electrically isolated from the I/O Bus,
7 channels, 12 Bit resolution
Application
High-speed input modules 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. Electrically isolated from the CPU.
Module overview resolution *)
PCD3.W305: Voltage 0…10 V 2.5 mV
PCD3.W315: Current 0…20 mA 5 µA
PCD3.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 Saia PCD
®
,
channels themselves not separated
Resolution (digital representation): 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%
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 4998 0), for Ø
up to 1.5 mm²,