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Fx Series Programmable
Controllers
Monitor mode
3.1 1 Preset monftortng functlon
The preset monitoring function
provides
No
methodsfor
limiting
the
number of *ices
~ i c h .
an operator can
change
the set
v a l u e s of. The
q o u n t d
lccsss is set
at the design stage using one'or b o t h s f t b following
functions:
Preset range mon1toring:Up to 8 preset access
ranges for Timers, Counters and Data Registers
iT
C, Dl.
Preset device monltoring: Up to 8 nominated
devices selected from T,C, and D.
Operation of the preset monitoring functions:
Note that these functions only restrict
the devices
for which set values can be changed. It is still
possible to monitor other devices not affected by
these presets.
Conflicts between preset monitoring functions:
If one of
t h e
devices set using the preset device
monitor falls outside the range of the preset range
monitor (when both are being used), then it will not
be possible to change its s e t value.
Attempting to change the set value of a device not
induded in preset monitor functions (when used):
This is not possible.
The error " D N OUT OF
FLANGE" is displayed.
3.1 1.1
Setting the
preset range monitor
function:
Begin by holding down the [CLEAR] key while turning
on the power. Adisplay similar to that below wi U be seen:
SETTING)
'A": All
devices accessible, factory setting (ENABLE
"E": Set preset device range (RANGE SETTING)
TING)
"F":
A l l
preset device ranges disabled
(FORBID
SET-
A
E N A B L E
S E T T I N G
( E : R A N G E
F :
N O N E )
Entering "A" or "F" returns to the normal Monitor mode
screen. Entering "E" allows the device ranges to be
preset:
7)
lnplrttherangenumber,l to8.Theup'dcmnarrsw
keysoanalsobeusedtomowbehveentheranges
2 )
Type FIMER
q,
[COUNT. C] or [D.REG DDD]
to
enter
the device type for the range. Note that
32
bit (DD) word devices cannot
be
selected.
3 )
Enter the lower lknlt and push [ENTER]
4)
Enter the upper limit and push [ENTER]
5 )
Repeat for each range
6)
Finish by pushing
[B]
The
[Dl
and [ENTER] may be used to delete a range,
and data entry can be cancelled by pushing [CLEAR].
AMITSURWI
3-
27
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