III
SAFETY PRECAUTIONS
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Safety Signal Words
This manual uses the following signal words to mark safety precautions for the E5EN.
These precautions provide important information for the safe application of the product. You
must be sure to follow the instructions provided in all safety precautions.
WARNING
Indicates information that, if not heeded, could possibly result in loss of life or
serious injury.
CAUTION
Indicates information that, if not heeded, could result in relatively serious or
minor injury, damage to the product, or faulty operation.
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Safety Precautions
CAUTION
F
Electric Shock Warning
Do not touch the terminals while the power is ON.
Doing so may cause an electric shock.
Do not allow metal fragments or lead wire scraps to fall inside this product.
These may cause electric shock, fire or malfunction.
Never disassemble, repair or modify the product.
Doing so may cause electric shock, fire or malfunction.
Do not operate this product in flammable and explosive gas atmospheres.
The life expectancy of the output relays varies greatly with the switching capacity and other switching
conditions. Always use the output relays within their rated load and electrical life expectancy. If an outĆ
put relay is used beyond its life expectancy, its contacts may become fused or burned.
Use this product within the rated load.
Not doing so may cause damage or fire.
Use this product within the rated supply voltage.
Not doing so may cause damage or fire.
Tighten the terminal screws to a torque of 0.74 to 0.90 N
m
Loose screws may cause malfunction.
Set all settings according to the control target of the product.
If the settings are not appropriate for the control target, the product may operate in an unexpected manĆ
ner, resulting in damage to the product or resulting in accidents.
To maintain safety in the event of a product malfunction, always take appropriate safety measures, such
as installing an alarm on a separate line to prevent excessive temperature rise.
If a malfunction prevents proper control, a major accident may result.
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