Mitsumi electronic MR-J3- A Manual De Usuario
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3. SIGNALS AND WIRING
3.3 Explanation of power supply system
3.3.1 Signal explanations
POINT
For the layout of connector and terminal block, refer to outline drawings in
chapter 10.
chapter 10.
Abbreviation
Connection target
(application)
Description
L
1
L
2
L
3
Supply the following power to L
1
, L
2
, L
3
. For the 1-phase 200 to 230VAC power supply, connect
the power supply to L
1
, L
2
, and keep L
3
open.
Servo amplifier
Power supply
MR-J3-10A to
70A
MR-J3-100A
to 22KA
MR-J3-10A1
to 40A1
3-phase 200 to 230VAC, 50/60Hz
L
1
L
2
L
3
Main circuit power
1-phase 200 to 230VAC, 50/60Hz
L
1
L
2
supply
1-phase 100 to 120VAC, 50/60Hz
L
1
L
2
Servo amplifier
Power supply
MR-J3-60A4 to 22KA4
3-phase 380 to 480VAC, 50/60Hz
L
1
L
2
L
3
P
1
P
2
Power factor
improving DC
reactor
improving DC
reactor
1) MR-J3-700A or less
When not using the power factor improving DC reactor, connect P
1
and P
2
. (Factory-wired.)
When using the power factor improving DC reactor, disconnect P
1
and P
2
, and connect the
power factor improving DC reactor to P
1
and P
2
.
2) MR-J3-11KA(4) to 22KA(4)
MR-J3-11KA(4) to 22KA(4) do not have P
2
.
When not using the power factor improving reactor, connect P
1
and P. (Factory-wired)
When using the power factor improving reactor, connect it to P and P
1
.
Refer to section 12.13.
P
C
D
C
D
Regenerative
option
option
1) MR-J3-350A or less MR-J3-200A4 or less
When using servo amplifier built-in regenerative resistor, connect P( ) and D. (Factory-wired)
When using regenerative option, disconnect P( ) and D, and connect regenerative option to
P and C.
When using regenerative option, disconnect P( ) and D, and connect regenerative option to
P and C.
2) MR-J3-350A4 500A(4) 700A(4)
MR-J3-350A4 500A(4) 700A(4) do not have D.
When using servo amplifier built-in regenerative resistor, connect P and C. (Factory-wired)
When using regenerative option, disconnect P and C, and connect regenerative option to P
and C.
When using servo amplifier built-in regenerative resistor, connect P and C. (Factory-wired)
When using regenerative option, disconnect P and C, and connect regenerative option to P
and C.
3) MR-J3-11KA(4) to 22KA(4)
MR-J3-11KA(4) to 22KA(4) do not have D.
When not using the power regenerative converter and the brake unit, make sure to connect
the regenerative option to P and C.
Refer to section 12.2 to 12.5.
When not using the power regenerative converter and the brake unit, make sure to connect
the regenerative option to P and C.
Refer to section 12.2 to 12.5.
L
11
L
21
Control circuit
power supply
power supply
Supply the following power to L
11
L
21.
Servo amplifier
Power supply
MR-J3-10A to
22KA
MR-J3-10A1
to 40A1
MR-J3-60A4
to 22KA4
1-phase 200 to 230VAC, 50/60Hz
L
11
L
21
1-phase 100 to 120VAC, 50/60Hz
L
11
L
21
1-phase 380 to 480VAC, 50/60Hz
L
11
L
21