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PLC Setup Section 7-1
Startup Hold Settings
Forced Status Hold Bit
IOM Hold Bit
Mode Setting
Programming
Console address
Settings Function Related
flags and
words
When set-
ting is read
by CPU Unit
Word Bit(s)
+80 14 0: Cleared
1: Retained
Default: 0
This setting determines whether or not the
status of the Forced Status Hold Bit
(A50013) is retained at startup.
When you want all of the bits that have been
force-set or force-reset to retain their forced
status when the power is turned on, turn ON
the Forced Status Hold Bit and set this set-
ting to 1 (ON).
A50013
(Forced Sta-
tus Hold Bit)
At startup
Programming
Console address
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
Programming
Console address
Settings Function Related
flags and
words
When set-
ting is read
by CPU Unit
Word Bit(s)
+81 --- Program (PRG):
PROGRAM mode
Monitor (MON):
MONITOR mode
Run (RUN): RUN
mode
Use programming
console (PRNC):
Programming Con-
sole’s mode switch
Default: Use pro-
gramming console
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.
Note If this setting is PRCN and a
Programming Console isn’t
connected, startup mode will be
RUN mode.
--- At startup