267
PLC Setup Section 7-1
IOM Hold Bit
Mode Setting
Execution Settings
Startup Condition (CJ1-H CPU Units Only)
Note This setting applies only to specific Units.
Address in
Programming
Console
Settings Function Related
flags and
words
When set-
ting is read
by CPU Unit
Word Bit(s)
80 15 0: Cleared
1: Retained
Default: 0
This setting determines whether or not the
status of the IOM Hold Bit (A50012) is
retained at startup.
When you want all of the data in I/O Memory
to be retained when the power is turned on,
turn ON the IOM Hold Bit and set this set-
ting to 1 (ON).
A50012 (IOM
Hold Bit)
At startup
Address in
Programming
Console
Settings Function Related
flags and
words
When set-
ting is read
by CPU Unit
Word Bit(s)
81 --- Program: PRO-
GRAM mode
Monitor: MONITOR
mode
Run: RUN mode
Use programming
console:
Programming Con-
sole’s mode switch
Default: Program
This setting determines whether the Startup
Mode will be the mode set on the Program-
ming Console’s mode switch or the mode
set here in the PLC Setup.
If this setting is PRCN and a Programming
Console isn’t connected, startup mode will
be RUN mode.
--- At startup
Address in
Programming
Console
Settings Function Related
flags and
words
When
set-
ting is read
by CPU Unit
Word Bit(s)
83 15 0: Wait for Units.
1: Don’t wait.
Default: 0
To start the CPU Unit in MONITOR or PRO-
GRAM mode even if there is one or more
Units that has not completed startup pro-
cessing, set this setting to 1 (Don’t wait for
Units).
To wait for all Units to finish startup process-
ing, set this setting to 0 (Wait for Units).
--- At startup