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

Block diagram

OP-Ampoutput stage

A0

COM

A1

COM

A2

COM

A3

COM

A4

COM

A5

COM

D

AC

Reference

Voltage 2.5 V

μController

PCD Bus

I/O Bus

DC / DC

converter

Galvanically

separate

interface

Electrically isolation

VCC

COM

&ILTER +5 VGND

5IN



5IN

Programming

Classic: For programming the modules, an FBox is available.

xx7 and RIOs: the firmware reads in the values according to the configuration (I/O

Builder or network configurator)

Watchdog: This module can be used on all base addresses; there is no interaction

with the watchdog on the CPUs. For details, please refer to the “Watchdog”

section, which describes the correct use of the watchdog in conjunction with PCD2

components.