Mitsubishi Electric MELSEC LJ72GF15-T2-U-HW Safety Manuallines page 9

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[Wiring Precautions]
● Shut off the external power supply for the system in all phases before wiring.
Failure to do so may result in electric shock or cause the module to fail or
malfunction.
● After installation and wiring, attach the included terminal cover to the product
before turning it on for operation. Failure to do so may result in electric shock.
Precautions for using flexible high-speed I/O control
modules
● When connecting a differential output terminal to a differential receiver of a
drive unit, connect the high-speed output common terminal to the differential
receiver common terminal of the drive unit. Failure to do so may cause the
module to fail or malfunction because of the potential difference that occurs
between the high-speed output common terminal and the differential receiver
common terminal.
WARNING
8

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