
Before Using This Product
WUME-SCHG1C-4
1-3
1-2 Safety information
WARNING
●
Never use this product as a sensing device for personnel protection.
●
When using sensing devices for personnel protection, use products that meet the laws and stan-
dards for personnel protection that apply in each region or country, such as OSHA, ANSI and IEC.
Specifications
●
This product has been developed / produced for industrial use only.
● Do not use this product under conditions outside the specified ranges. Risk of an accident
and product damage.There is also a risk of a significant reduction of service life.
Power supply
●
Incorrect wiring will damage the internal circuitry. Check the wiring before turning ON the
power.
● Verify that power supply fluctuations are within the rating.
●
Risk of damage and burning if a voltage over the rating is applied, or AC power is directly ap-
plied.
●
If power is supplied from a commercial switching regulator, ensure that the frame ground
(F.G.) terminal is connected to an actual ground.
● Ensure that there is sufficient leeway in the voltage source capacity.
●
Do not use during the initial transient time after the power supply is switched ON
For details, refer to
“4-5 Initial operation after power is turned ON”
●
Use an isolation transformer in the DC power supply. Risk of short-circuiting and damage to
the product or power supply if an auto transformer is used.
●
If surges occur in the power supply, connect a surge absorber to the source to absorb the
surges.
Wiring
●
Make sure that the power is OFF while performing wiring or connection work. Risk of electric
shock or product damage.
●
Risk of damage and burning if the load is incorrectly wired or short-circuiting occurs.
●
When noise generating equipment (switching regulator, inverter motor, etc.) is used in the vi-
cinity of this product, connect the frame ground (F.G.) terminal of the equipment separately to
ground.
●
To avoid noise, keep the wiring as short as possible.
●
Do not wire in parallel with a high-voltage line or power line, or run through the same conduit.
Risk of malfunctioning due to induction.
● For the communication cable, use a dedicated cable that is certified by CC-Link Partner As
-
sociation.
● For detailed grounding specifications, refer to the installation manual published by the CC-
Link Partner Association.
Usage environment
●
This product is suitable for indoor use only.
●
Avoid dust, dirt, and steam.
●
Do not use in locations where there are corrosive or other harmful gases.
●
Ensure that the product does not come into contact with organic solvents such as thinner.
●
Ensure that the product does not come into contact with strong acid or alkaline.
●
Ensure that the product does not come into contact with oil or grease.
● This product cannot be used in an environment that contains flammable or explosive gases.
● Performance may not be satisfactory in a strong electromagnetic field.
●
Do not drop or otherwise subject to shock. Risk of product damage.
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