Keyence LK-G Series Instrukcja Użytkownika Strona 4

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LK-G-M-NO0-E
CAUTION
Follow the safety precautions below to ensure safe operation
Be sure to turn the power off when you plug/unplug the cable that leads to the unit
and its accessories. Not following this caution may result in damage.
Do not turn off the power while setting items. The data being set or all the data may
be lost.
Do not block the vent holes on the unit. Increase of internal temperature may cause
failure.
Installation environment
To use the LK-G Series correctly and safely, avoid installing it in the following locations;
doing so may lead to breakdown of the unit.
Location that is humid, dusty or poorly ventilated
Location with a high temperature such as a place exposed to direct sunlight
Location where there are flammable or corrosive gases
Location where the unit may be directly subjected to vibration or impact
Location where water, oil or chemicals may splash onto the unit
Location where static electricity is easily generated
Corrective action for noise
Do not install the LK-G Series near a power source or high-voltage cable, otherwise noise
may cause the LK-G Series to malfunction. Take corrective action for noise by using noise
filters, laying cables separately, and/or installing insulation on the controller and the
measuring unit. Use the single core shielded cable for the analog output cable.
Inuence of ambient temperature
A change in the ambient temperature may cause the measurement to fluctuate. Be sure to
keep it stabilized. When the ambient temperature changes by 10 °C, it takes 60 minutes
for the distribution of internal temperature to equalize.
Operating ambient light intensity level
Do not use the LK-G Series near a lighting system that repeatedly and rapidly turns on
and off. If it is unavoidable to use the unit in such a place, install a light shielding board or
the like so that the light will not affect the measurement.
Warming up
Before using the LK-G Series, wait approximately 30 minutes after the power is turned on.
Otherwise, the measured value may gradually fluctuate because the circuit is not
immediately stable after the power is turned on.
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