Hardware Manual

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

Saia-Burgess Controls AG

PCD2.W6x5

Input/output (I/O) modules

5

< -10 V, negative values may be output. (With the W615 it is not possible to output

negative currents).

This extended range does depend on the tolerances of the components, and cannot

be guaranteed.

Connection concept for voltage and current outputs

The voltage and current output signals are connected directly to the 14-pole terminal

block (A0 ... A5 / A3 and -).

The following connection diagram shows a typical wiring layout for:

● voltage outputs with the PCD2.W605 and .W625 modules or

● current outputs for the PCD2.W615 module

Connection for 0 ... 10 V (W605) or -10 V ... +10 V (W625):

D

A

5

U

R ≥ 3 kΩ

13

4 (A2)

For voltage outputs no external supply is needed.

Connection for 0 ... 20 mA (W615)

4 (A2)

D

A

5

I

VOLTAGE

CONTROLLED

CURRENT

SOURCE

+ 24 VDC

R = 0...500 Ω

13

12

An external 24 VDC supply is required for current outputs.