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7-2 Inspection and Cleaning
7-5
•
Inspection Items
Inspect the PT for the following items to check whether the PT is operating within the speci-
fied criteria. If the PT is outside the criteria, use measures such as improving the operating
environment to conform to the standards, or tightening screws.
Inspection
items
Inspection details
Criteria
Inspection means
Power
supply
Power terminal voltage
fluctuation
Allowable voltage range
(24 VDC
±
15%)
Tester
Ambient temperature
(temperature in control panel)
0 to 50
°
C
(Refer to
Appendix 1.
)
Thermometer
Ambient humidity
(temperature in control panel)
35% to 85%
(Refer to
Appendix 1.
)
Temperature meter
Presence of dust
No dust accumulated.
Visual inspection
Ambient
environment
Presence of oil
No oil between front panel sheet
and molding.
Visual inspection
Looseness of fixed mounting
bracket
Specified torque.
Phillips screwdriver
Connection status of
Connecting Cable
Connectors
Fully inserted, locked, and with
No looseness.
Phillips screwdriver
Looseness of external wiring
screws
No looseness.
Phillips screwdriver
Mounting
conditions
Status of external connecting
cables
No breaks or other damage
Visual inspection,
tester
Backlight brightness
Sufficient brightness.
Backlight life (at room tempera-
ture of 25
°
C) is 50,000 hours,
as a guideline.
Visual inspection
Parts with
limited
service life
Battery
5 years (at room temperature of
25
°
C).
Replace every 5
years
Touch panel
input posi-
tion accu-
racy (NS15
only)
Shifted input positions on the
touch panel
Calibrate the touch panel if the
input positions have shifted.
Touch panel opera-
tion
Precautions
for Safe Use
•
Do not disassemble, repair, or modify the PT.
•
Follow all local government regulations, where applicable, when disposing
of the Unit and used batteries.
Summary of Contents for NS - REV 12
Page 2: ......
Page 22: ...20 ...
Page 34: ...1 4 Procedure for Running NS series PTs 1 12 ...
Page 54: ...2 2 Part Names and Functions 2 20 ...
Page 116: ...3 11 RS 232C RS 422A Selector DIP Switch 3 62 ...
Page 144: ...4 4 Recommended Connector Cables 4 28 ...
Page 174: ...5 3 Connecting to Host via EtherNet IP 5 30 ...
Page 246: ...6 11 Verifying Tags 6 72 ...
Page 279: ...Appendix 2 Dimensions A 19 NS5 V1 V2 Cable Connection Dimensions ...
Page 332: ......
Page 333: ......