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4.
Safety Precautions in Maintenance and Inspection
When mounting or removing the
card, module, unit, terminal block, or
wiring cable, make sure that the
Mandatory
external power supply is off.
Otherwise, there will be live electric poles
on the back of the external terminal block
of the module, causing an electric shock.
Do not hit or drop the device or card,
or give excessive impact.
Prohibited
Excessive impact can cause mechanical
failure.
Touch a grounded metal part to
discharge the static electricity on
Mandatory
your body before touching the device
or card.
Static electricity on your body may cause
malfunction or failure of the device or
card.
Use soft cloth to clean the device,
module and card.
Mandatory
Use water-dipped and firmly
squeezed cloth to clean excess dirt.
Leaving them dirty may cause
misjudgment or malfunction.
Unified Controller nv-pack series TC-net I/O Loop PCI Express
WARNING
When replacing the power fuse or
alarm fuse of the device, turn off the
device.
Mandatory
Otherwise, it may cause an electric shock
or fire.
Be extremely careful when measuring
the power supply voltage at the power
terminal part of the module during an
Mandatory
inspection.
Otherwise, it may cause an electric shock.
CAUTION
Mount the I/O module specially
designed for the series on the
Mandatory
dedicated base unit.
Failure to do this may cause electric
shock, injury or failure of the module.
Do not use the I/O module
independently or for other purposes.
Do not use benzene or thinner to
clean the device, module or card.
Prohibited
It may cause deformation or discoloration
of the device panel, module or card.
TM
Card JTLI41 Instruction Manual
v
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