IV
Check power supply polarity
Before turning on the power supply, ensure that the polarities of this unit's
operating voltage and the supply voltage are correct. If the wrong polarities are
connected, it may damage this unit and the equipment connected to it or cause a
fire.
Turn on the power supply after connecting all components, including the sensor
unit, displays, PLC(Programmable Logic Controller), cables. Failure to do so may
damage this unit and the equipment connected to it or cause a fire. Also, the
filament of the sensor unit may break.
Do not use this unit in a place where humidity is high, and condensation occurs
or where this unit is exposed to water. If water enters inside this unit, it may
cause a failure, electrical leakage, or fire.
Foreign matters entering the sensor
Protect this unit from foreign matters such as metals and flammable materials
from entering through its opening. Foreign matters may damage this unit or cause a
fire.
Make sure that the connection cable to each pin does not touch other pins or the
case. Also, be careful with the ping assignments. Incorrect wiring may damage this
unit and the equipment connected to it or may cause a fire.
Avoid installing cables close to or parallel to electric power lines, power
lines, high voltage lines, high-frequency lines. Doing so may cause malfunction.
Remote host with noise resistance
Use an isolation type with high noise resistance for remote hosts such as PCs
and PLCs. Otherwise, it may cause malfunction or failure.
The electric circuit in this unit uses an aluminum electrolytic capacitor.
Generally, an aluminum electrolytic capacitor has a life span, and the higher the
ambient temperature, the shorter the life. To prevent damage to this unit, we
recommend that you have this unit serviced at our service site about once every
three years.
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