98
3 SIGNALS AND WIRING
3.3 Explanation of power supply system
3.3
Explanation of power supply system
Signal explanations
• For the layout of connector and terminal block, refer to the following.
• When using the MR-J4-_GF-RJ servo amplifier with the DC power supply input, refer to the following.
Page 563 When using the servo amplifier with the DC power supply input
Symbol
Connection target
(application)
Description
L1/L2/L3
Main circuit power
supply
Supply the following power to L1, L2, and L3. For 1-phase 200 V AC to 240 V AC, connect the power supply to L1
and L3. Leave L2 open.
P3/P4
Power factor improving
DC reactor
When not using the power factor improving DC reactor, connect P3 and P4. (factory-wired)
When using the power factor improving DC reactor, disconnect P3 and P4, and connect the power factor improving
DC reactor to P3 and P4.
Page 407 Power factor improving DC reactors
P+/C/D
Regenerative option
■
200 V class/100 V class
• MR-J4-500GF(-RJ) or less and MR-J4-40GF1(-RJ) or less
When using a servo amplifier built-in regenerative resistor, connect P+ and D. (factory-wired)
When using a regenerative option, disconnect P+ and D, and connect the regenerative option to P+ and C.
• MR-J4-700GF(-RJ) to MR-J4-22KGF(-RJ)
These servo amplifiers do not have D.
When using a servo amplifier built-in regenerative resistor, connect P+ and C. (factory-wired)
When using a regenerative option, disconnect wires of P+ and C for the built-in regenerative resistor. And then
connect wires of the regenerative option to P+ and C.
■
400 V class
• MR-J4-350GF4(-RJ) or less
When using a servo amplifier built-in regenerative resistor, connect P+ and D. (factory-wired)
When using a regenerative option, disconnect P+ and D, and connect the regenerative option to P+ and C.
• MR-J4-500GF4(-RJ) to MR-J4-22KGF4(-RJ)
These servo amplifiers do not have D.
When using a servo amplifier built-in regenerative resistor, connect P+ and C. (factory-wired)
When using a regenerative option, disconnect wires of P+ and C for the built-in regenerative resistor. And then
connect wires of the regenerative option to P+ and C.
L11/L21
Control circuit power
supply
Supply the following power to L11 and L21.
Power
Servo amplifier
MR-J4-10GF(-R
J) to MR-J4-200
GF(-RJ)
MR-J4-350GF
(-RJ) to MR-J4-
22KGF(-RJ)
MR-J4-60GF4
(-RJ) to MR-J4-
22KGF4(-RJ)
MR-J4-10GF1
(-RJ) to MR-J4-
40GF1(-RJ)
3-phase 200 V AC to
240 V AC, 50 Hz/60 Hz
L1/L2/L3
1-phase 200 V AC to
240 V AC, 50 Hz/60 Hz
L1/L3
3-phase 380 V AC to
480 V AC, 50 Hz/60 Hz
L1/L2/L3
1-phase 100 V AC to
120 V AC, 50 Hz/60 Hz
L1/L2
Power
Servo amplifier
MR-J4-10GF(-RJ) to
MR-J4-22KGF(-RJ)
MR-J4-60GF4(-RJ) to
MR-J4-22KGF4(-RJ)
MR-J4-10GF1(-RJ) to
MR-J4-40GF1(-RJ)
1-phase 200 V AC to
240 V AC, 50 Hz/60 Hz
L11/L21
L11/L21
1-phase 380 V AC to
480 V AC, 50 Hz/60 Hz
1-phase 100 V AC to
120 V AC, 50 Hz/60 Hz
L11/L21
Summary of Contents for MELSERVO-J4 series
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