Mitsubishi Electric MELSEC LJ72GF15-T2-U-HW Safety Manuallines page 13

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[Startup and Maintenance Precautions]
Precautions for using flexible high-speed I/O control
modules
● When performing online operations of the running module from an external
device such as a personal computer connected, read the relevant manuals
carefully and ensure that the operation is safe before proceeding.
● Before changing any setting of the module, read the relevant manuals
carefully, ensure the safety, and change the operating status of the CPU
module to STOP.
Especially when operating the module in the network system, ensure the
safety thoroughly because controlled machines are likely to be moved
inadvertently. Improper operation may damage machines or cause accidents.
[Operation Precautions]
● When controlling a running programmable controller (especially, changing
data, program modification, and operation status change) from an external
device such as a personal computer connected to an intelligent function
module, read the relevant user's manual carefully and ensure the safety
before the operation. Incorrect data change, program modification, and status
control may cause malfunction of the system, mechanical damage, or
accidents.
● While set values in the buffer memory are being registered to the flash ROM
in the module (connected to the head module), do not turn off the power to the
module and do not reset the CPU module. Doing so will affect the flash ROM
data, and setting to the buffer memory and registration to the flash ROM need
to be performed again. Also, it may cause failure or malfunction of the module.
[Disposal Precautions]
● When disposing of this product, treat it as industrial waste.
CAUTION
CAUTION
CAUTION
12

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