User manual

Safety Precautions
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Safety Precautions
 Following these safety precautions will ensure the safe and proper use of the product and
help prevent accidents and minimize hazards.
 Safety precautions are categorized as Warnings and Cautions, as defined below:
Warning
Cases that may cause serious injury or fatal accident if
instructions are not followed.
Caution
Cases that may cause minor injury or product damage
if instructions are not followed.
 In case of using this unit with machinery (Ex: nuclear power control, medical equipment,
ship, vehicle, train, airplane, combustion apparatus, safety device, crime/disaster prevention
equipment, etc) which may cause damages to human life or property, it is required to install
fail-safe device.
It may cause a fire, human injury or property loss.
 In case using the G P, L P touch switch for controlling, do not use the switch as emergency
switches or those related to safety that may cause physical injury or property damage in the
event of a malfunction.
It may cause a fire, human injury or property loss.
 In the event of defect or malfunction in GP, LP an alternative circuit must be constructed on
the exterior.
It may cause a fire, human injury or property loss.
 Construct an emergency power-off circuit, safety circuit, or interlock circuit on the exterior of
GP,LP.
It may cause a fire, human injury or property loss.
 If an error occurs on the watchdog timer of LP, the logic program will shut down
automatically, so an alternative circuit must be constructed on the exterior.
It may cause a fire, human injury or property loss.
 The overall system operation may malfunction due to an input error resulting from a failure
in input signal detection; so an alternative circuit must be constructed on the exterior.
It may cause a fire, human injury or property loss.
 For output signals that may cause a serious accident if the output section is damaged, a
detection circuit and alternative circuit must be constructed on the exterior.
It may cause a fire, human injury or property loss.
 In case controlling other devices through GP, LP communication, and there is a possibility
of malfunction due to communication error, an alternative circuit must be constructed.
It may cause a fire, human injury or property loss.
 When switching the mode to RUN mode please make sure that supply power to LP, I/O unit
and load first. If not, output error or malfunction may be caused.
It may cause a fire, human injury or property loss.
 Before supplying power to LP, configure the circuit which is for supplying power to I/O unit
and load at first. After starting LP program, if power is supplied to I/O unit and load, it may