ACC Programmer's Reference Guide

Contents

1. ZCOM Subsystem

Introduction................................................12

ZCOMSoftwareOverview ....................................13

ZCOMConcepts.............................................17

ProgramZLUs............................................19

TerminalZLUs............................................19

UserInterface..............................................21

References.................................................22

2. ZCOM Message H andling

Overview ..................................................24

ZLUDefinition..............................................25

ProgramZLUs............................................25

TerminalZLUs............................................25

MappedZLUs.............................................26

MessageQueuing............................................27

Priorities...................................................29

Multiplexing................................................30

OutboundMultiplexing.....................................31

InboundMultiplexing.......................................32

TerminalState..............................................34

ErrorHandling .............................................35