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1. Avoid installing the product in the following places:
・ Places exceeding the rated ambient temperature
・ Places exposed to extreme temperature changes (where condensation occurs)
・ Places subject to relative humidity exceeding the rated humidity range
・ Places subject to corrosive or flammable gases
・ Places subject to mist, droplets, coarse particles, fiber, salt, metal dust, or large amount of particles
・ Places subject to direct shock or vibration
・ Places subject to direct sunlight
・ Places subject to exposure to water, oil, or chemical splashes
・ Places subject to strong magnetic field or electric field
・ Outdoors
2. Wiring
・ Wire the product cable separately from high-voltage or power lines. Placing them in the same wiring or
the same duct may cause induction, resulting in the product malfunction or damage.
・ Make sure that the I/O terminals are inserted or removed with the power turned OFF. Doing this with the
power ON may result in a malfunction.
・ When using the provided DC cable, connect a wire with white line to the power supply (24 VDC±3%),
and connect a wire without the line to 0 V.
・ Mounting a ferrite core can reduce noise affecting to or affected by other devices when supplying power
with the DC cable. When using the provided DC cable, wind the provided ferrite core as shown below.
3. Battery use
・ Do not mix new and old batteries, or ones of different types or manufacturers. Doing so may result in the
product malfunction.
・ Do not install batteries in wrong polarities.
・ Always attach the battery cover during use. OMRON cannot be responsible for the product performance,
if the batteries accidentally drop off the product due to the unattached battery cover.
Precautions for Correct Use
Device unit side
Approx. 100 mm
Single winding
Power supply
vii
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