Omron CP1E CPU UNIT SOFTWARE - CPU Unit Operation

3-1
3
CP1E CPU Unit Software User’s Manual(W480)
3
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
CPU Unit Operation