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Mitsumi electronic MR-J3- A Manual De Usuario

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3. SIGNALS AND WIRING 
 
3.10 Connection of servo amplifier and servo motor 
WARNING 
During power-on, do not open or close the motor power line. Otherwise, a 
malfunction or faulty may occur. 
 
 
3.10.1 Connection instructions 
WARNING 
 
Insulate the connections of the power supply terminals 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 unexpected operation. 
Do not connect AC power supply directly to the servo motor. Otherwise, a fault may 
occur. 
Do not use the 24VDC interface power supply for the electromagnetic brake. Always 
use the power supply designed exclusively for the electromagnetic brake. 
Otherwise, a fault may occur. 
 
 
POINT 
 
Refer to section 12.1 for the selection of the encoder cable. 
Refer to the Servo Motor Instruction Manual (Vol.2) for the selection of a surge 
absorber for the electromagnetic brake. 
 
 
This section indicates the connection of the motor power supply (U, V, W). Use of the optional cable or 
connector set is recommended for connection between the servo amplifier and servo motor. Refer to section 
12.1 for details of the options. 
 
(1) For grounding, connect the earth cable of the servo motor 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 directly to the protective earth of the control panel. 
Servo
amplifier
Servo motor
PE terminal
Control box
 
(2) Do not use the 24VDC interface power supply for the electromagnetic brake. Always use the power supply 
designed exclusively for the electromagnetic brake.