NT31C-ST143-EV3 Omron, NT31C-ST143-EV3 Datasheet - Page 263
NT31C-ST143-EV3
Manufacturer Part Number
NT31C-ST143-EV3
Description
5.7 8-Color Dsp,STN,Ivory,Eng
Manufacturer
Omron
Datasheet
1.NT31-ST123B-EV3.pdf
(313 pages)
Specifications of NT31C-ST143-EV3
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Inspection and Cleaning
246
Power supply
voltage
Ambient envi-
ronmental con-
ditions
Mounting condi-
tions
Components
with limited lives
Inspected
Point
Fluctuation in power supply terminal volt-
age
Ambient temperature (temperature in the
operation panel)
Ambient humidity (humidity in the opera-
tion panel)
Presence/absence of dust
Looseness of mounting brackets, etc.
Connector connections of connecting
cable
Looseness of screws in external wiring
Conditions of external connecting cables Faults such as incipient disconnection
Brightness of the backlight
Reference:
Note
Inspection Details
Points Inspected
Inspect the following points to determine if there is any divergence from the
stated criteria. If there is, either improve the surrounding environment so that
the values fall within the stated range, or adjust the NT31/NT31C, for example
by re-tightening screws.
1. Do not disassemble for repairs or modification.
2. The disposal of the PT (including batteries to be disposed and backlight)
Desire on replacing the NT31/NT31C
When replacing the NT31/NT31C after discovering a fault during inspections,
note the following points:
• Be sure to switch the power OFF before starting replacement.
• After replacement, check that the new NT31/NT31C is not subject to the
• If a faulty PT is returned for repairs, write as detailed a description of the
may be regulated by national or local authorities. Dispose of them in accor-
dance with the laws and regulations of the relevant country and local au-
thority.
same error.
fault as possible and send this description together with the PT to the
OMRON address indicated on the back cover of this book.
Permissible voltage fluctuation range
20.4 to 26.4 VDC
(24 VDC –15%, +10%)
0 to 50°C
35% to 85% RH
Dust must not be settled
To be no looseness
To be fully inserted and locked, with no
looseness
To be no looseness
Must be sufficiently bright.
Backlight life:
Brightness is halved after about
50,000 hours of use at high brightness.
Criterion
Tester
Thermometer
Hygrometer
Visual inspection
Phillips screwdriver
Phillips screwdriver
Phillips screwdriver
Visual inspection
Visual inspection
Instrument
Inspection
Section 7-4
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