Mitsubishi Electric MELSERVO-J4 series Instruction Manual page 298

11. Options and peripheral devices
(4) MR-J4-11KB-PX to MR-J4-22KB-PX/MR-J4-11KB-RZ to MR-J4-22KB-RZ/MR-J4-11KB4-PX to MR-J4-
22KB4-PX/MR-J4-11KB4-RZ to MR-J4-22KB4-RZ (when using the regenerative option)
The MR-J4-11KB-PX to MR-J4-22KB-PX, MR-J4-11KB-RZ to MR-J4-22KB-RZ, MR-J4-11KB4-PX to
MR-J4-22KB4-PX, and MR-J4-11KB4-RZ to MR-J4-22KB4-RZ servo amplifiers are not supplied with
regenerative resistors. When using any of these servo amplifiers, always use the regenerative option
MR-RB5R, MR-RB9F, MR-RB9T, MR-RB5K-4, and MR-RB6K-4.
Cooling the regenerative option with cooling fans improves regenerative capability. G3 and G4 are
thermal sensor's terminals. Between G3 and G4 is opened when the regenerative option overheats
abnormally.
5 m or less
Servo amplifier
P+
C
Configure up a circuit which shuts off main
circuit power when thermal protector operates.
Note. G3-G4 contact specifications
Maximum voltage: 120 V AC/DC
Maximum current: 0.5 A/4.8 V DC
Maximum capacity: 2.4 VA
Regenerative
Servo amplifier
MR-J4-11KB-PX
MR-RB5R
MR-J4-11KB-RZ
MR-J4-15KB-PX
MR-RB9F
MR-J4-15KB-RZ
MR-J4-22KB-PX
MR-RB9T
MR-J4-22KB-RZ
MR-J4-11KB4-PX
MR-RB5K-4
MR-J4-11KB4-RZ
MR-J4-15KB4-PX
MR-J4-15KB4-RZ
MR-RB6K-4
MR-J4-22KB4-PX
MR-J4-22KB4-RZ
11 - 17
Regenerative option
P
C
G3
(Note)
G4
Regenerative power [W]
Resistance
Without
option
[Ω]
cooling fans
3.2
3
2.5
10
10
With cooling
fans
500 800
850 1300
850 1300
500 800
850 1300