Explanation Of Power Supply System; Signal Explanations - Mitsubishi Electric MR-J3-10B Instruction Manual

3. SIGNALS AND WIRING

3.3 Explanation of Power Supply System

3.3.1 Signal explanations

Abbreviation
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L
1
L
2
L
3
P
1
P
2
P
C
D
L
11
L
21
U
V
W
N
POINT
For the layout of connector and terminal block, refer to outline drawings in
Chapter 9.
Connection Target
(Application)
Supply the following power to L
connect the power supply to L
Main circuit power
Power supply
supply
3-phase 200 to 230VAC, 50/60Hz
1-phase 230VAC, 50/60Hz
1-phase 100 to 120VAC, 50/60Hz
When not using the power factor improving DC reactor, connect P
Power factor improving When using the power factor improving DC reactor, disconnect the wiring across P
DC reactor and connect the power factor improving DC reactor across P
11.10.)
1) MR-J3-350B or less
When using servo amplifier built-in regenerative brake resistor, connect between P-D
terminals. (Wired by default)
When using regenerative brake option, disconnect between P-D terminals and
connect regenerative brake option to P terminal and C terminal.
Regenerative brake 2) MR-J3-500B.700B
option MR-J3-500B and 700B do not have D terminal.
When using servo amplifier built-in regenerative brake resistor, connect P terminal
and C terminal. (Wired by default)
When using regenerative brake option, disconnect P terminal and C terminal and
connect regenerative brake option to P terminal and C terminal. (Refer to Section
11.2)
Control circuit power
supply Power supply
1-phase 200 to 230VAC, 50/60Hz
1-phase 100 to 120VAC, 50/60Hz
Servo motor power Connect to the servo motor power supply terminals (U, V, W).
When using return converter/brake unit, connect to P terminal and N terminal.
Return converter
Do not connect to servo amplifier MR-J3-350B or less.
Brake unit
For details, refer to Section 11.3, 11.4.
Connect to the earth terminal of the servo motor and to the protective earth (PE) of the
Protective earth (PE)
control box to perform grounding.
Description
, L , L . For the 1-phase 230VAC power supply,
1 2 3
, L , and keep L open.
1 2 3
Servo amplifier MR-J3-
10B to
L
Servo amplifier
MR-J3-10B to
3 - 8
MR-J3- MR-J3-
100B to 10B1 to
70B 700B 40B1
L L L
1 2 3
L
1 2
L L
1 2
-P . (Factory-wired.)
1 2
-P . (Refer to Section
1 2
MR-J3-10B1 to
700B 40B1
L L
11 21
L L
11 21
-P
1 2