CONTENTS
CONTENTS
Introduction .............................................................................................................. 1
Intended Audience....................................................................................................................................... 1
Applicable Products ..................................................................................................................................... 1
Relevant Manuals ..................................................................................................... 6
Manual Structure ...................................................................................................... 7
Page Structure and Icons ............................................................................................................................ 7
Special Information ...................................................................................................................................... 8
Precaution on Terminology .......................................................................................................................... 8
Application Considerations ........................................................................................................................ 10
Disclaimers ................................................................................................................................................ 10
Safety Precautions ................................................................................................. 11
Symbols ..................................................................................................................................................... 11
Warnings.................................................................................................................................................... 12
Cautions..................................................................................................................................................... 13
Conformance to EC Directives .................................................................................................................. 20
Conformance to KC Standards .................................................................................................................. 21
Unit Versions .......................................................................................................... 22
Unit Versions.............................................................................................................................................. 22
Related Manuals ..................................................................................................... 25
Terminology ............................................................................................................ 28
Revision History ..................................................................................................... 30
Sections in this Manual ......................................................................................... 31
Section 1
1-1
1-1-1
Digital I/O Unit Features.............................................................................................................. 1-2
1-1-2
Digital I/O Unit Types .................................................................................................................. 1-3
1-2
1-2-1
Overview ..................................................................................................................................... 1-4
1-2-2
System Configuration.................................................................................................................. 1-4
2
NX-series Digital I/O Unit User's Manual (W521)