Mitsubishi Electronics A953GOT 用户手册
7.2 Daily Inspection
7 - 2
1
OV
E
R
VI
EW
2
SYSTE
M
CO
N
F
IG
UR
A
T
IO
N
3
PERFORMA
N
CE
4
NAMES
OF
THE P
A
R
T
S A
ND
THEIR SE
TTI
N
GS
5
ROUGH
PRE-
OPE
R
A
T
IO
N
PROC
E
DUR
E
6
HANDLING
7
MAINT
E
NAN
CE
AND
INS
P
E
CT
IO
N
8
E
M
C DIRECTIV
E
7.2 Daily Inspection
Daily inspection items are as follows.
7.3 Periodic Inspection
Inspection items to be checked once or twice in six months or one year are as follows.
The following inspection should also be performed when equipment has been moved or modified or the wir-
ing changed.
The following inspection should also be performed when equipment has been moved or modified or the wir-
ing changed.
Number
Inspection Item
Inspection Method
Criterion
Action
1
Module mounting status
Check for loose mounting
screws and disconnected
cover
screws and disconnected
cover
Securely mounted
Retighten screws
2
Connection
status
status
Loose termi-
nal screws
nal screws
Retighten screws with screw-
driver
driver
Not loose
Retighten terminal screws
Proximate
solderless ter-
minals
solderless ter-
minals
Visual check
Proper intervals
Correct
Loose con-
nectors
nectors
Visual check
Not loose
Retighten connector fixing
screws
screws
Number
Inspection Item
Inspection Method
Criterion
Action
1
Surrounding
environment
environment
Ambient tem-
perature
perature
Make measurement with ther-
mometer or hygrometer
Measure corrosive gas
mometer or hygrometer
Measure corrosive gas
Display sec-
tion
tion
0 to 40
For use in enclosure, tempera-
ture inside enclosure is ambi-
ent temperature
ture inside enclosure is ambi-
ent temperature
Other portions 0 to 55
Ambient
humidity
humidity
10 to 90%RH
Atmosphere
No corrosive gas
2
Power supply voltage check
24VDC
Measure voltage across termi-
nals
Measure voltage across termi-
nals
20.4DC to 26.4V
Change supply power
3
Mounting sta-
tus
tus
Looseness
Move module
Should be mounted firmly
Retighten screws
Dirt, foreign
matter
matter
Visual check
No dirt, foreign matter sticking
Remove, clean
4
Connection
status
status
Loose termi-
nal screws
nal screws
Retighten screws with screw-
driver
driver
Not loose
Retighten terminal screws
Proximate
solderless ter-
minals
solderless ter-
minals
Visual check
Proper intervals
Correct
Loose con-
nectors
nectors
Visual check
Not loose
Retighten connector fixing
screws
screws