Servo Amplifier Terminals - Mitsubishi Electric MELSERVO 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 brake option
Return converter
N
Brake unit
Protective earth (PE)
Power factor improving DC
P , P
1
Supply L
Connect to the servo motor power supply terminals (U, V, W).
The servo amplifier built-in regenerative brake resistor is not connected at the
time of shipment.
When using the regenerative brake 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
reactors DC reactor, remove the short bar across P
, L and L with three-phase 200 to 230VAC, 50/60Hz power.
1 2 3
and L with single-phase 200 to 230VAC power.
11 21
3 - 63
Description
-P. Refer to Section 13.2.4 for details.
1