Mitsubishi Electric MELDASMAGIC64 Connection Manual page 5

Always read the specifications issued by the machine maker, this manual, related manuals
and enclosed documents before starting installation, operation, programming, maintenance
or inspection to ensure correct usage. Thoroughly understand the basics, safety information
and precautions of this numerical controller before using the unit.
This manual ranks the safety precautions into "DANGER", "WARNING" and "CAUTION".
DANGER
WARNING
CAUTION
Note that even if the items is ranked as "
serious results. Important information is described in all cases, so please observe the items.
Not applicable in this manual.
1. Items related to prevention of electric shocks
Do not open the front cover while the power is ON or during operation. Failure to observe this could result
in electric shocks.
Do not operate the device with the front cover removed. The high voltage terminals and charged sections
will be exposed, and could result in electric shocks.
Do not remove the front cover even when the power is OFF except for wiring work or periodic
inspections. The controller and servo drive unit are charged internally and could result in electric shocks.
Always wait at least 15 minutes after turning the power OFF and check the voltage with a tester, etc.,
before starting wiring work or inspections. Failure to observe this could result in electric shocks.
Ground the 200V Series input controller, servo drive unit and servomotor with Class C or higher
protective grounding, and the 400V Series input with Class D or higher protective grounding.
All wiring work and inspections must be carried out by a qualified electrician.
Wire the controller, servo drive unit and servomotor after installation. Failure to observe this could result
in electric shocks.
Do not operate the switches with wet hands, as this may lead to electric shocks.
Do not damage, apply excessive stress, place heavy things on or sandwich the cables, as this may lead
to electric shocks.
Precautions for Safety
When there is a great risk that the user could be subject to
fatalities or serious injuries if handling is mistaken.
When the user could be subject to fatalities or serious injuries
if handling is mistaken.
When the user could be subject to injuries or when physical
damage
DANGER
WARNING
CAUTION ", incorrect handling could lead to
iv