SBC PCD2.M120 - 2 Guidance; Introduction

Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
Guidance
2-1
Introduction
2
2 Guidance
2.1 Introduction
This manual covers the technical aspects of the PCD1 and PCD2 components. The
following terms are used frequently:
● CPU Centralprocessingunit:theheartoftheSaiaPCD
®
● RIOs RemoteI/Os:inputsandoutputsconnectedtotheCPUviaa
eldbussuchasProbus
● LIOs LocalI/Os:theseareconnectedtotheCPUviatheI/Obusora
RIO(i.e.withtheshortestpossiblecables)
● Modules Input/outputelements,mountedinahousing,matchedtothe
PCD1/2system
● Moduleholders CPUs,RIOsorLIOs,towhichmodulesmaybeattached
TheaimoftheOverviewsectionistopresenttheessentialsofplanningandinstalling
controlsystemswithPCD1/2components.Itcoversthefollowingtopics:
● Planning an application
● Cabling
Detailsofhardware,software,conguration,maintenanceandtroubleshootingare
describedinseparatesections.