Omron K3HB-C User Manual page 6

● Precautions
WARNING
Do not touch the terminals while power is being supplied. Doing
so may possibly result in electric shock. Make sure that the
terminal cover is installed before using the product.
Always provide protective circuits in the network. Without
protective circuits, malfunctions may possibly result in accidents
that cause serious injury or significant property damage.
Provide double or triple safety measures in external control
circuits, such as emergency stop circuits, interlock circuits, or limit
circuits, to ensure safety in the system if an abnormality occurs
due to malfunction of the product or another external factor
affecting the product's operation.
CAUTION
Do not allow pieces of metal, wire clippings, or fine metallic
shavings or filings from installation to enter the product. Doing so
may occasionally result in electric shock, fire, or malfunction.
Do not use the product in locations where flammable or explosive
gases are present. Doing so may occasionally result in minor or
moderate explosion, causing minor or moderate injury, or property
damage.
Do not attempt to disassemble, repair, or modify the product.
Doing so may occasionally result in minor or moderate injury due
to electric shock.
Do not use the equipment for measurements within Measurement
Categories II, III, and IV for K3HB-R, K3HB-P, and K3HB-C
(according to IEC61010-1). Doing so may occasionally cause
unexpected operation, resulting in minor or moderate injury, or
damage to the equipment. Use the equipment for measurements
only within the Measurement Category for which the product is
designed.
Perform correct setting of the product according to the application.
Failure to do so may occasionally cause unexpected operation,
resulting in minor or moderate injury, or damage to the equipment.
Ensure safety in the event of product failure by taking safety
measures, such as installing a separate monitoring system.
Product failure may occasionally prevent operation of comparative
outputs, resulting in damage to the connected facilities and
equipment.
Tighten the screws on the terminal block and the connector
locking screws securely using a tightening torque within the
following ranges. Loose screws may occasionally cause fire,
resulting in minor or moderate injury, or damage to the equipment.
Terminal block screws: 0.43 to 0.58 N·m
Connector locking screws: 0.18 to 0.22 N·m
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