Toshiba NV Series Hardware Manual page 7

3. Safety Precautions on Daily Use
Do not modify/repair/disassemble/adjust
the device, module, or board.
Prohibited
It may cause electric shock, fire, injury, or
failure.
Upon malfunction or failure, contact our
branch offices or service offices.
Before using, check that the power
capacity, frequency, voltage, and
Instruction
regulation comply with the device
specifications.
If not, it may cause not only insufficient
performance, but also damage of the
device or fire due to overheat.
When you attempt to perform program
change, forced output, RUN/HALT
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controls, etc. during operation, carefully
check for safety.
Incorrect operation or negligence in
checking safety conditions may cause
accident or machine damage.
Turn off the power if there is smoke or
abnormal odor.
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Otherwise, fire or electric shock may be
caused.
Contact the Toshiba branch office or
service office.
Do not touch parts, terminals, connectors,
or soldered surfaces of the cards inside
Avoid
the module.
Contact
A part's lead end can cause injury or
electrostatic breakdown of ICs or LSIs,
resulting in failure.
Do not forcibly bend, pull, or twist the
power cord and cables.
Prohibited
It may cause breaks or heating.
Warning
Do not touch any terminal of the module
and unit during energization.
Prohibited
Otherwise, electric shock may be caused.
Do not use in case of an abnormal
temperature increase around or inside the
Avoid
device or a failure on the device
Contact
Using with such a status may cause fire
due to overheat.
Turn off the device power and contact the
nearest Toshiba service station.
Caution
Do not insert a metal into, or allow
something like a clip to drop from a gap in
Prohibited
the device main unit
Fire may be caused.
Power on in the following order
Turn on the power to the core part where the
Instruction
controller module is mounted, then the I/O
module external power supply and the external
load power supply
If this power-on order is not followed,
accident or machine damage may be
caused from malfunctioning.
For the safety of the system, turn off the
load power before turning off the nv series
power supply
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If these are not followed. accident or
machine damage may be caused.
Share the external power supply to the I/O
module with the load power supply
wherever possible. If this is impossible,
configure the system so that the external
power supply and the load power supply
turn off simultaneously.
Unified Controller nv Series type1 light Controller Unit Operating Instructions
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