Omron NX-EC0112, Руководство пользователя

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11 - 3
11 Maintenance and Inspection
NX-series Position Interface Units User’s Manual (W524)
11-1 Clean
ing
and
Maintenan
ce
11
11-1-
2 Periodic Inspection
s
 Required Tools
• Phillips screwdriver
• Flat-blade screwdriver
• Voltage tester or digital voltmeter
• Industrial alcohol and clean cotton cloth
 Tools Required Occasionally
• Oscilloscope
• Thermometer and hygrometer
3 Ambient
environ-
ment Check that the ambient oper-
ating temperature is within
the criteria. 0 to 55
°
C Use a thermometer to check the
temperature and ensure that the
ambient temperature remains within
the allowed range of 0 to 55
°
C.
Check that the ambient oper-
ating humidity is within the
criteria. 10 to 95%
With no condensation. Use a hygrometer to check the
humidity and ensure that the ambi-
ent humidity remains between 10%
and 95%.
Make sure that condensation does
not occur due to rapid changes in
temperature.
Check that the Controller is
not in direct sunlight. Not in direct sunlight Protect the Position Interface Unit if
necessary.
Check for accumulation of
dirt, dust, salt, or metal pow-
der. No accumulation Clean and protect the Position Inter-
face Unit if necessary.
Check for water, oil, or chem-
ical sprays hitting the Posi-
tion Interface Unit. No spray Clean and protect the Position Inter-
face Unit if necessary.
Check for corrosive or flam-
mable gases in the area of
the Position Interface Unit. No corrosive or flamma-
ble gases Check by smell or use a gas sensor.
Check that the Position Inter-
face Unit is not subject to
direct vibration or shock. Vibration and shock
must be within specifi-
cations. Install cushioning or shock absorb-
ing equipment if necessary.
Check for noise sources
nearby the Position Interface
Unit. No significant noise
sources Either separate the Position Inter-
face Unit and noise source or protect
the Position Interface Unit.
4 Installa-
tion and
wiring Check that the DIN Track
mounting hooks on all Units
are mounted securely and
locked. No looseness Securely lock all DIN Track mount-
ing hooks.
Check that cable connectors
are fully inserted and locked. No looseness Properly insert and lock all cables
securely
Check for loose screws in
external wiring. No looseness Tighten loose screws with a Phil-
lips-head screwdriver.
Check that crimp terminals
are adequately spaced in
external wiring. Adequate spacing Check visually and adjust if neces-
sary.
Check for damaged external
wiring cables. No visible damage Check visually and replace cables if
necessary.
Tools Required for Inspections
No. Item Inspection Criteria Action