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4. SIGNALS AND WIRING
4.10 Connection of servo amplifier and servo motor
WARNING During power-on, do not open or close the motor p ower line. Otherwise, a
malfunction or faulty may occur.
4.10.1 Connection instructions
WARNING Insulate the connections of the power supply ter minals to prevent an electric
shock.
CAUTION
Connect the wires to the correct phase terminals (U, V, W) of the servo amplifier
and servo motor. Not doing so may cause unexpecte d operation.
Do not connect AC power supply directly to the ser vo motor. Otherwise, a fault
may occur.
POINT
Refer to section 14.1 for the selection of the encoder cable.
This section indicates the connection of the servo motor power (U, V, W). Use of the optional cable and
connector set is recommended for connection bet ween the servo amplifier and servo motor. When the optio ns
are not available, use the recommended products . Refer to section 14.1 for details of the options .
(1) For grounding, connect the earth cable of the servo m otor to the protective earth (PE) terminal ( ) of the
servo amplifier and connect the ground cable of the servo amplifier to the earth via the protective earth of
the control box. Do not connect them directl y to the protective earth of the control panel.
Servo
amplifier Servo motor
PE terminal
Control box
(2) Do not share the 24VDC interface power supp ly between the interface and electromagnetic brak e. Always
use the power supply designed exclusively for t he electromagnetic brake.