Hardware Manual

Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22

Saia-Burgess Controls AG

PCD2.W3x0

Input/output (I/O) modules

5

5.7.4 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 mA20 mA 4.8844.884 �A�A�AA

PCD2.W340: General purpose module

0 ... 10 V 2.442 mV

0 ... 20 mA 4.884 �A�AA

Pt/Ni 1000 (default)

Pt 1000: -50 ... +400 °C 0.14 ... 0.24 °C

Ni 1000: -50 ... +200 °C+200 °C 0.09...0.12 °C0.09 ... 0.12 °C

PCD2.W350: Temperature sensor

Pt/Ni 100

Pt 100: -50 ... +600 °C 0.14...0.20 °C0.14...0.20 °C0.14 ... 0.20 °C

Ni 100: -50 ... +250 °C+250 °C 0.06...0.12 °C0.06 ... 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 significant 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 k�� / 0.15 %

W310: 125 �� / 0.1 %

W340: U: 200 k�� / I: 125 ��

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 μsμs

Overvoltage protection: W340: ± 50 VDC (permanent)

W300 *): + 50 VDC (permanent)

Overcurrent protection: W340: ± 40 mA (permanent)

W310 *): + 40 mA (permanent)

EMC protection: yes