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1. Safety Precautions on Installation
Ground the device.
Otherwise, it may cause an electric shock
Ground
or fire.
Configure the emergency stop
circuit and the interlock circuit
outside the controller.
Mandatory
Otherwise, this may cause human injury
or machine damage if the nv series has a
failure or malfunction.
Do not install, store, or use it in
the following environments.
Prohibited
・ A place with a lot of dust
・ A place with corrosive gases (SO2,
H2S) ore flammable gases
・ A place with vibrations and shocks
exceeding the allowed values
・ A place with condensations due to
rapid temperature changes
・ A place with low or high temperature
outside of the installation condition
・ A place with high humidity outside of
the installation condition
・ A place with direct sunlight
・ A place near equipment generating
strong radio waves or magnetic fields
It may cause accidents.
Install the device in a place where
maintenance and inspection can
be done easily.
Mandatory
Otherwise, it may cause accidents.
Connect an external power supply
suitable for the rating.
Mandatory
Otherwise, explosion or fire may be
caused.
ii
6F8C1625
WARNING
Turn off the power before wiring
cables
Mandatory
Otherwise, it may cause electric shock or
failure.
For
sheathed, crimp-style terminals or
cover with tape. and Mount the
Mandatory
terminal block cover firmly to the
terminal block.
Otherwise, conductive parts are exposed
to cause electric shock.
CAUTION
Do not block the ventilation hole
or air inlet/outlet.
Prohibited
It may cause fire or failure due to
overheat.
For installation and wiring of the
system, observe the installation
conditions
Mandatory
described in this document.
Otherwise, it may cause a fall, fire,
failure, or malfunction.
Wiring works shall be done by a
qualified electrician.
Mandatory
Improper wiring may cause fire, electric
shock, or failure.
Prevent foreign matter such as
electric wire scraps from entering
modules or units.
Mandatory
It
may
malfunction.
wiring
a
module,
and
methods
cause
fire,
malfunction
use
or
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