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10 Maintenance and Inspection
10-1 Maintenance and Inspection
The Reader/Writer must be inspected on a daily or periodic basis so that the functions remain in good
condition.
The Reader/Writer consists of semiconductors that last almost indefinitely. The following malfunctions,
however, may result due to the operating environment and conditions.
(1) Element deterioration due to overvoltage or overcurrent.
(2) Element deterioration due to continuous stress caused by high ambient temperature.
(3) Connector contact faults or insulation deterioration due to humidity and dust.
(4) Connector contact faults or element corrosion due to corrosive gas.
Inspection Items
No.
Inspection item
Supply voltage fluctuation
1
Ambient environment
(A)
Temperature
(B)
Humidity
(C)
Vibration and
shock
2
(D)
Dust
(E)
Corrosive gas
10 - 2
Details
(1) Check that the sup-
ply voltage fluctuation
at the power supply
terminal block is
within the permissi-
ble range.
(2) Check that there are
no frequent instanta-
neous power failures
or radical voltage
fluctuations.
(A)
Within the specified
range
(B)
Within the specified
range
(C)
Influence of vibra-
tion or shock from
machines
(D)
Make sure that the
Reader/Writer is
free of accumu-
lated dust and for-
eign particles.
(E)
Check that no
metal part of the
system is discol-
ored or corroded.
UHF RFID System V780-series Reader/Writer User's Manual (EtherNet/IP
Criteria
Within supply voltage
Multimeter
specified range
Within permissible volt-
Power supply ana-
age fluctuation range
lyzer
Maximum and mini-
mum thermometer
(A)
-10 to 55°C
Hygrometer
(B)
25% to 85%
(C)
Within the specified
range
(D)
Must not be pres-
ent.
(E)
Must not be pres-
ent.
Remarks
TM
) (Z402)
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