Mitsubishi Q01CPU User Manual page 7

[Wiring Precautions]
DANGER
Completely turn off the externally supplied power used in the system when placing wiring.
Not completely turning off all power could result in electric shock or damage to the product.
When turning on the power supply or operating the module after installation or wiring work, be sure
that the module's terminal covers are correctly attached.
Not attaching the terminal cover could result in electric shock.
A
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