Mitsubishi A2CCPU User Manual

8. MAINTENANCE AND INSPECTION /MELSEC-A
8.2 Periodic Inspection
This section explains the inspection items which are to be checked
every
six months to one year. If the equipment have been moved
or modified or wiring has been changed, also make the inspection.
2
-
3
4
5
-
ch.dr km Chocking Mahod
-1 Ambient tempera-
Measure with thermo-
Measure corrosive gas.
meter and hygrometer.
E 'E
81 Ambience I
Line voltage check
Measure voltage across
lW200VAC terminal.
foreign material
Visual check.
g I Looseterminal
.- I Retighten.
- screws
Visual check,
.-
Y
6:
,Q
2 Loose connector Visual check.
Check battery status by
monitoring special auxili-
M9007. Replace battery if
Battery ary relays
M9006 and
Judgement Comctiw Action
0 to 55'C
When PC is used inside
a
panel, the temperature in
the panel is ambient
There should be no corro- temperature.
sive gases.
85 to 132 VAC
170 to
264 VAC
...............................
Change supply power.
Change transformer tap.
There should be no dust
or foreign material, in the
vicinity of the P.C.
Remove and clean.
Connectors should not be
loose.
Retighten.
Proper clearance should
be provided between
solderless terminals.
Connectors should not be
loose.
Preventive maintenance
Correct.
Retighten connector
mounting screws.
If battery capacity reduc-
tion
is not indicated,
change the battery when
specified service life is ex-
ceeded.
~~ ~~~ ~ ~~
Table 8.2 Periodic Inspection
3
1
3
7
3
3
J
3
1
-1 W
1
1
3
1
8-2
IB INN 5823SA

Mitsubishi A2CCPU Specifications

General

Brand	Mitsubishi
Model	A2CCPU
Category	Controller
Language	English