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TABLE OF CONTENTS
PRECAUTIONS ............................................................................................... xi
1 Intended Audience........................................................................................................................................................ xii
2 General Precautions...................................................................................................................................................... xii
3 Safety Precautions ........................................................................................................................................................ xii
4 Operating Environment Precautions............................................................................................................................ xiii
5 Application Precautions............................................................................................................................................... xiv
6 EC Directives............................................................................................................................................................... xvi
SECTION 1
Introduction....................................................................................................... 1
1-1 Features and Functions ............................................................................................................................................ 2
1-2 Basic Configuration................................................................................................................................................. 5
1-3 Specifications and Characteristics........................................................................................................................... 7
1-4 Quick Start Up Reference Guide ............................................................................................................................. 14
1-5 Operating Procedure Guidelines.............................................................................................................................. 20
1-6 Application Areas.................................................................................................................................................... 23
SECTION 2
Components, Installation and Wiring............................................................. 25
2-1 Components and Switch Settings ............................................................................................................................ 26
2-2 Installation ............................................................................................................................................................... 30
2-3 Wiring...................................................................................................................................................................... 32
SECTION 3
Operation and Configuration .......................................................................... 45
3-1 Overview ................................................................................................................................................................. 46
3-2 Counter Types.......................................................................................................................................................... 47
3-3 Input Signal Types ................................................................................................................................................... 55
3-4 Digital Input Functions............................................................................................................................................ 58
3-5 Output Control......................................................................................................................................................... 65
3-6 Reset Signals ........................................................................................................................................................... 79
3-7 Extra Functions........................................................................................................................................................ 81
SECTION 4
Exchanging Data with CPU ............................................................................. 91
4-1 Overview ................................................................................................................................................................. 92
4-2 Memory Allocation ................................................................................................................................................. 94
4-3 IOWR-Instruction.................................................................................................................................................... 124
4-4 IORD-Instruction..................................................................................................................................................... 126
4-5 Supported IOWR/IORD-Instructions...................................................................................................................... 128
4-6 Interrupts.................................................................................................................................................................. 135
SECTION 5
Error Processing, Maintenance and Inspection............................................ 141
5-1 Error Indicators........................................................................................................................................................ 142
5-2 Error codes............................................................................................................................................................... 143
W902-E2-03.book Seite vii Donnerstag, 7. Oktober 2004 2:06 14