Cpu Unit Operating Modes; Operating Modes - Omron CJ2 CPU UNIT SOFTWARE User Manual

3 CPU Unit Operation
3-2

CPU Unit Operating Modes

3-2-1

Operating Modes

The operating mode can be set to control the operating conditions of the CPU Unit and control whether
settings can be made in the CPU Unit. There are three operating modes.
RUN mode:
RUN mode is used for actual operation of the system and provides the fastest operation.
The programs are executed.
Bits cannot be force-set/reset, values in I/O memory cannot be changed, and online editing is not
possible.
MONITOR mode:
MONITOR mode is for trial operation and adjustment.
The programs are executed.
Bits can be force-set/reset, values in I/O memory can be changed, and online editing is possible.
PROGRAM mode:
PROGRAM mode is for transferring programs and the PLC Setup and creating the I/O tables.
The programs are not executed.
Change the operating mode by using the CX-Programmer connected to the CPU Unit.
3-8 CJ2 CPU Unit Software User's Manual