Toshiba NV Series Hardware Manual page 5

Do not touch the terminal, the connector
and the cards inside the terminal block
Prohibited
signal conversion adapter.
A part's lead end can cause injury or
electrostatic break down the module.
2. Safety Precautions on Wiring
Turn off the power before wiring cables
Otherwise, it may cause electric shock or
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failure.
For wiring a module, use sheathed,
crimp-style terminals or cover with tape
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Otherwise, conductive parts are exposed
to cause electric shock.
Connect an external power supply suitable
for the rating
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Otherwise, explosion or fire may be
caused.
Wiring works shall be done by a qualified
electrician
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Improper wiring may cause fire, electric
shock, or failure.
For the relay output module, mount a fuse
suitable for the current capacity to the
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external circuit for overload protection
Otherwise, a load short may cause
accident or machine damage.
Battery replacement time
During non-energization, the battery shall
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be replaced within 3 minutes.
Leaving without battery for a long time
causes loss of data or programs on the
memory, resulting in accident or machine
damage from malfunctioning.
Warning
Mount the terminal block cover firmly to the
terminal block
Exposed parts may cause electric shock.
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Configure the emergency stop circuit and
the interlock circuit outside the controller
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Otherwise, this may cause human injury or
machine damage if the nv series has a
failure or malfunction.
Caution
For the contact relay in the relay output,
make sure its contact life is good before
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use
The end-of-life relay contact may generate
output errors due to insufficient contact,
causing accident or machine damage.
The contact relay has a life due to contact
abrasions. If the relay has terminated its
life, replace it with a new one.
Battery mounting
Executing the RAM operation without
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battery may cause loss of data and
programs on the memory, resulting in
accident or machine damage from
malfunctioning.
Replace the battery according to the
battery replacement period.
The battery is in the packaging box. Mount
it to the main unit before using the
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controller.
The battery for the controller is in the
packaging box when the type1 light is
shipped from the factory. Mount the
battery immediately before using the
controller.
Unified Controller nv Series type1 light Controller Unit Operating Instructions
iii