SBC PCD1 Series - 5.8.4 PCD2.W3 x0, analogue inputs, 8 channels, 12 bit resolution

Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
5
Input/output (I/O) modules
5-65
Analogue input modules
5.8.4 PCD2.W3x0, analogue inputs, 8 channels, 12 bit resolution
Application
High-speed input module for general use with 8 channels, each with 12 bit resolution.
Different variants for voltage 0 … 10 V, current 0 … 20 mA and the use of different
resistance thermometers are available.
Module overview resolution *)
PCD2.W300: Voltage 0 … 10 V 2.442 mV
PCD2.W310: Current 0 … 20 mA 4.884 μA
PCD2.W340: General purpose module
0 … 10 V 2.442 mV
0 … 20 mA 4.884 μA
Pt/Ni 1000 (default)
Pt 1000: -50 … +400 °C 0.14 … 0.24 °C
Ni 1000: -50 … +200 °C 0.09 … 0.12 °C
PCD2.W350: Temperature sensor
Pt/Ni 100
Pt 100: -50 … +600 °C 0.14 … 0.20 °C
Ni 100: -50 … +250 °C 0.06 … 0.12 °C
PCD2.W360: Temperature sensor
Pt 1000 -50 … +150 °C 0.07 … 0.09 °C (resolution < 0.1 °C)
Method of linearization for temperature inputs: by software
*) Resolution = value of least signicant bit (LSB)
Technical data
Input ranges: see module overview
Galvanic separation: no
Resolution (digital representation): 12 bits (0 … 4095)
Measuring principle: non-differential, single-ended
Input resistance: W300: 20 kΩ / 0.15 %
W310: 125 Ω / 0.1 %
W340: U: 200 kΩ / I: 125 Ω
W350: not relevant
W360: not relevant
Maximum signal current for the
resistance thermometers:
2.0 mA
Accuracy at 25 °C W300, 310: ± 0.5 %
W340, 350, 360: ± 0.3 %
Repeating accuracy: ± 0.05 %
Temperature error (0 … +55 °C) ± 0.2 %
Conversion time A/D: < 10 µs
Overvoltage protection: W340: ± 50 VDC (permanent)
W300 *): + 50 VDC (permanent)
Overcurrent protection: W340: ± 40 mA (permanent)
W310 *): + 40 mA (permanent)
EMC protection: yes