Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 5

[To prevent injury, note the following]
CAUTION
● Only the power/signal specified in the Instruction Manual should be applied to each terminal.
Otherwise, it may cause an electric shock, fire, injury, etc.
● Connect cables to the correct terminals. Otherwise, a burst, damage, etc., may occur.
● Ensure that polarity (+/-) is correct. Otherwise, a burst, damage, etc., may occur.
● The servo amplifier heat sink, regenerative resistor, servo motor, etc., may be hot while the power is
on and for some time after power-off. Take safety measures such as providing covers to avoid
accidentally touching them by hands and parts such as cables.
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