LG G3F-TC4A User Manual page 4

Installation Precautions
!
CAUTION
▶ Operate the PLC in the environ-
ment conditions given in the
general specifications.
▶ If operated in other environment
not specified in the general
specifications, it can cause an
electric shock, a fire, malfunction
or damage or degradation of the
module
▶ Make sure the module fixing
projections is inserted into the
module fixing hole and fixed.
▶ Improper installation of the mod-
ule can cause malfunction, dis-
order or falling.
Test Run and Maintenance
Precautions
!
WARNING
▶ Do not contact the terminals
while the power is applied.
It can cause malfunction.
▶ When cleaning or driving a termi-
nal screw, perform them after the
power has been turned off
▶ Do not perform works while the
power is applied, which can
cause disorder or malfunction.
Waste Disposal Precautions
▶ When disposing the module, do it as an industrial waste.
Wiring Precautions
▶ When grounding a FG terminal,
be sure to provide class 3
grounding which is dedicated to
the PLC.
▶ Before the PLC wiring, be sure to
check the rated voltage and ter-
minal arrangement for the mod-
ule and observe them correctly.
If a different power, not of the
rated voltage, is applied or
wrong wiring is provided, it can
cause a fire or disorder of the
nodule.
▶ Drive the terminal screws firmly
to the defined torque.
If loosely driven, it can cause
short circuit, a fire or malfunc-
tion.
▶ Be careful that any foreign matter
like wire scraps should not enter
into the module.
It can cause a fire, disorder or
malfunction.
▶ Do not separate the module from
the printed circuit board(PCB), or
do not remodel the module.
They can cause disorder, mal-
function, and damage of the
module or a fire.
When mounting or dismounting
the module, perform them after
the power has been turned off.
▶ Do not perform works while the
power is applied, which can
cause disorder or malfunction.
!
CAUTION
!
CAUTION
!
CAUTION