Cpu Unit Operation - Omron CP1E CPU UNIT SOFTWARE User Manual

CPU Unit Operation

CP1E CPU Unit Software User's Manual(W480)
This section describes the operation of the CP1E CPU Unit. Make sure that you under-
stand the contents of this section completely before writing ladder programs.
3-1 CPU Unit Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-1-1 Overview of CPU Unit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-1-2 CPU Unit Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3-2 Backing Up Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3-2-1 CPU Unit Memory Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3-2-2 Backing Up Ladder Programs and PLC Setup . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3-2-3 I/O Memory Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3-2-4 Initializing I/O Memory at Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
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3-1