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7.2 Daily Inspection
7 - 2
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
PERFORMANCE
4
NAMES OF
THE PARTS AND
THEIR SETTINGS
5
ROUGH
PRE-OPERATION
PROCEDURE
6
HANDLING
7
MAINTENANCE AND
INSPECTION
8
EMC DIRECTIVE
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.
Number Inspection Item Inspection Method Criterion Action
1 Module mounting status
Check for loose mounting
screws and disconnected
cover
Securely mounted Retighten screws
2
Connection
status
Loose termi-
nal screws
Retighten screws with screw-
driver
Not loose Retighten terminal screws
Proximate
solderless ter-
minals
Visual check Proper intervals Correct
Loose con-
nectors
Visual check Not loose
Retighten connector fixing
screws
Number Inspection Item Inspection Method Criterion Action
1
Surrounding
environment
Ambient tem-
perature
Make measurement with ther-
mometer or hygrometer
Measure corrosive gas
Display sec-
tion
0 to 40
For use in enclosure, tempera-
ture inside enclosure is ambi-
ent temperature
Other portions
0 to 55
Ambient
humidity
10 to 90%RH
Atmosphere No corrosive gas
2 Power supply voltage check
24VDC
Measure voltage across termi-
nals
20.4DC to 26.4V Change supply power
3
Mounting sta-
tus
Looseness Move module Should be mounted firmly Retighten screws
Dirt, foreign
matter
Visual check No dirt, foreign matter sticking Remove, clean
4
Connection
status
Loose termi-
nal screws
Retighten screws with screw-
driver
Not loose Retighten terminal screws
Proximate
solderless ter-
minals
Visual check Proper intervals Correct
Loose con-
nectors
Visual check Not loose
Retighten connector fixing
screws