
8
8.2 Alarms Displayed on the PMC Screen
522
Alarm number Contents
Faulty location/
corrective action
SP/SPE IN COM If COME is missing, add it in
proper position. If the COM
is unnecessary, remove it.
SP or SPE is found between
COM and COME.
COME WITHOUT
COM
If COM is missing, add it in
proper position. If the
COME is unnecessary, re-
move it.
There is no COM that corre-
sponds to this COME.
DUPLICATE CTR
NUMBER
(WARNING)
If some of them are unnec-
essary, remove them. If all
of them are necessary, as-
sign other number to pa-
rameter of them to make
them unique. (If two or more
instructions with same pa-
rameter number will never
be active simultaneously at
one time, the Ladder pro-
gram has a possibility to
work correctly, however, it is
recommended from safety
and maintenance points of
view, that all these instruc-
tions should have different
parameter number with
each other.)
Plural CTRs have the same
number as their parameter.
(This is warning.)
ILLEGAL CTR
NUMBER
If unnecessary, remove it.
Assign correct number not
to exceed the maximum
number defined by each
PMC model.
CTR has parameter number
that is out of range.
DUPLICATE
DIFU/DIFD NUMBER
(WARNING)
If some of them are unnec-
essary, remove them. If all
of them are necessary, as-
sign other number to pa-
rameter of them to make
them unique. (If two or more
instructions with same pa-
rameter number will never
be active simultaneously at
one time, the Ladder pro-
gram has a possibility to
work correctly, however, it is
recommended from safety
and maintenance points of
view, that all these instruc-
tions should have different
parameter number with
each other.)
Plural DIFUs or DIFDs have
the same number as their
parameter.
(This is warning.)
ILLEGAL DIFU/DIFD
NUMBER
If unnecessary, remove it.
Assign correct number not
to exceed the maximum
number defined by each
PMC model.
DIFU or DIFD has parame-
ter number that is out of
range.
NO END
NO END1
NO END2
NO END3
Add END, END1, END2 or
END3 in proper position.
END, END1, END2 or
END3 is not found.
DUPLICATE END1
DUPLICATE END2
DUPLICATE END3
Remove extra END1, END2
or END3.
Multiple END1, END2 or
END3 are found.