Servo Amplifier Terminals - Mitsubishi Electric MR-J2S-A Instruction Manual

3. SIGNALS AND WIRING

3.13.2 Servo amplifier terminals

The positions and signal arrangements of the terminal blocks change with the capacity of the servo
amplifier. Refer to section 11.1.
Connection Target
Symbol
(Application)
L , L , L Main circuit power supply
1 2 3
U, V, W Servo motor output
L , L Control circuit power supply Supply L
11 21
P, C Regenerative option
Return converter
N
Brake unit
Protective earth (PE)
Power factor improving DC
P , P
1
reactors
Supply L , L and L with three-phase 200 to 230VAC, 50/60Hz power.
1 2 3
Connect to the servo motor power supply terminals (U, V, W).
and L with single-phase 200 to 230VAC power.
11 21
The servo amplifier built-in regenerative resistor is not connected at the time of
shipment.
When using the regenerative option, wire it across P-C.
Refer to section 13.1.1 for details.
When using the return converter or brake unit, connect it across P-N.
Refer to sections 13.1.2 and 13.1.3 for details.
Connect this terminal to the protective earth (PE) terminals of the servo motor
and control box for grounding.
P -P are connected before shipment. When connecting a power factor improving
1
DC reactor, remove the short bar across P
3 - 66
WWW.NNC.IR
Description
-P. Refer to section 13.2.4 for details.
1