Startup (Initial) Process - Omron CS Series Operator's Manual

CPU Unit Operation

9-1-2 Startup (Initial) Process

PLC Setup
Setting for Hold/Non-hold of IOM
Hold Bit when startup
PLC Setup
Setting for Hold/Non-hold of
Force-set/reset Hold Bit
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The following Startup (Initial) process is performed once when start-up,
changing the configuration of the Ladder Engine, reset, or changing the oper-
ating mode (between Run/Monitor and Program).
· Clear the non-hold-type area in the I/O memory areas
Processed as follows depending on IOM Hold Bit and PLC Setup (setting
for Hold/Non-hold of IOM Hold Bit when startup).
Auxiliary Area
Non-hold (0)
Hold (1)
· Clear Force-set/reset
Processed as follows depending on Force-set/reset Hold Bit and PLC
Setup (setting for Hold/Non-hold of Force-set/reset Hold Bit).
Auxiliary Area
Non-hold (0)
Hold (1)
· Automatically executed if the program for automatic execution (Autoexec
file) exists in the file memory.
· Self-diagnosis (UM area check)
Refer to 9-2 I/O Memory Areas of CS/CJ Series Operation Manual for the
Note
startup process for I/O memory areas.
IOM Hold Bit (A50012)
Non-hold (0)
Startup: Cleared
Changing the mode: Cleared
Force-set/reset Hold Bit (A50013)
Non-hold (0)
Startup: Cleared
Changing the mode: Cleared
Section 9-1
Hold(1)
Startup: Cleared
Changing the mode: Hold
Startup: Hold
Changing the mode: Hold
Hold(1)
Startup: Cleared
Changing the mode: Hold
Startup: Hold
Changing the mode: Hold
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