Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
5
Input/output (I/O) modules
5-91
Analogue input and output modules
5.12.1 PCD2.W5x0, analogue inputs/outputs, 2 + 2 channels, 12 bit resolution
Application
Combined high speed analogue input/output module with 2 voltage inputs and 2
voltage outputs 0 … +10 V (unipolar) or -10 … +10 V (bipolar), jumper selectable, all
with 12 bit resolution. The module is suitable for precise, high-speed applications.
Module overview
PCD2.W500: Combined high-speed analogue input/output module with 2
voltage inputs and 2 voltage outputs 0 … +10 V (unipolar) or -
10 … +10 V (bipolar), jumper selectable (standard module).
PCD2.W510: Module with 2 current inputs and 2 voltage outputs
(special version)
Technical data
Inputs
Number of input channels: 2
Signal ranges W500:
W510:
0 … +10 V jumper selectable
-10 … +10 V together
0 … +20 mA jumper selectable
-20 … +20 mA together
Galvanic separation: no
Measuring principle: differential
Conversion timeA/D: < 30 µs
Resolution (digital representation): 12 bits (0 … 4095)
Input resistance: 0 … +10 V :1 MΩ
0 … +20 mA: 100 Ω
Accuracy (of measured value): unipolar: ± 2 LSB
bipolar: ± 10 LSB
Repeating accuracy (under same
conditions):
± 2 LSB
Common mode range: CMR ± 10 V
Common mode rejection: CMRR > 75 dB
Overvoltage protection: ± 40 VCC (permanent)
Time constant of input lter: 3 ms
Outputs
Number of output channels: 2, short circuit protected
Signal ranges: 0 … +10 V jumper selectable
-10 … +10 V individually
Galvanic separation: no
Conversion time D/A: < 20 µs
Resolution (digital representation): 12 bits (0 … 4095)
Load impedance: > 3 kΩ
Accuracy (of output value): 0.3 % ± 20 mV
Technical data common to the whole module
Burst protection:
(IEC 801-4)
± 1 kV, with unshielded cables
± 2 kV, with shielded cables
Temperature error 0.3 % (across temperature range 0 … +55 °C)
Internal current consumption:(from
+5 V bus)
max. 200 mA
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