Hardware Manual

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

Saia-Burgess Controls AG

PCD2.W10x

Input/output (I/O) modules

5

Terminals

9 8 7 6 5 4 3 2 1 0

• E 0 +

U B

SW

1

• E 3 + -E 2 + -E 1 +

Bus connector

Bus interface

+/- 15 V

Differential amplifier

A/D converter

Analogue multiplexer

Jumper

U: unipolar

B: bipolar

Input filter

Screw terminals

'ROUND )NPUT )NPUT )NPUT )NPUT

Moving the jumpers

On this circuit board there are components that are sensitive to electrostatic

discharges. For further information, refer to Appendix B, “Icons”.

Analogue/digital values

PCD2.W100 (voltage range 0 ... 10 V)

Unipolar positive Unipolar negative Bipolar

0 V → 0

+5 V → 2047

+10 V → 4095

0 V→ 0

-5 V → 2047

-10 V → 4095

-10 V→ 0

0 V → 2047

+10 V → 4095

PCD2.W105 (current range 0 ... 20 mA)

Unipolar positive Unipolar negative Bipolar

0 mA→ 0

+10 mA → 2047

+20 mA → 4095

0 mA→ 0

-10 mA → 2047

-20 mA → 4095

-20 mA→ 0

0 mA → 2047

+20 mA → 4095

Wiring for positive unipolar or bipolar analogue inputs

+E

• E

(PGND)

PCD 2 .W 105 : 100 Ohm / 0. 1 %