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CJ2 CPU Unit Software User’s Manual
CONTENTS
Introduction............................................................................................................... 1
CJ2 CPU Unit Manuals ............................................................................................. 2
Manual Structure ...................................................................................................... 5
Sections in this Manual............................................................................................ 7
Safety Precautions ................................................................................................. 21
Application Precautions......................................................................................... 25
Operating Environment Precautions .................................................................... 30
Regulations and Standards ................................................................................... 31
Unit Versions of CJ2 CPU Units ............................................................................ 33
Related Manuals ..................................................................................................... 39
Section 1 Overview
1-1 Overview of CJ2 CPU Units ....................................................................................................1-2
1-1-1 Overview..................................................................................................................................... 1-2
1-1-2 CJ2 CPU Unit Features .............................................................................................................. 1-4
1-2 Basic Operating Procedure .................................................................................................. 1-12
Section 2 Internal Memory in the CPU Unit
2-1 Overview................................................................................................................................... 2-2
2-1-1 Memory Configuration ................................................................................................................ 2-2
2-1-2 Memory Areas and Stored Data................................................................................................. 2-3
2-1-3 Transferring Data from a Programming Device to the CPU Unit................................................. 2-4
Section 3 CPU Unit Operation
3-1 CPU Unit Internal Operation ................................................................................................... 3-2
3-1-1 Overview..................................................................................................................................... 3-2
3-1-2 Cycle Time.................................................................................................................................. 3-4
3-1-3 Processing at Power Interruptions .............................................................................................. 3-7
3-2 CPU Unit Operating Modes.....................................................................................................3-8
3-2-1 Operating Modes ........................................................................................................................ 3-8
3-2-2 Checking the Operating Mode .................................................................................................... 3-9
3-2-3 Changing the Operating Mode.................................................................................................. 3-10
3-2-4 Operating Mode Details............................................................................................................ 3-14