11. OPTIONS AND AUXILIARY EQUIPMENT
11 - 15
(4) MR-J4-11KA-PX to MR-J4-22KA-PX/MR-J4-11KA-RZ to MR-J4-22KA-RZ/MR-J4-11KA4-PX to MR-J4-
22KA4-PX/MR-J4-11KA4-RZ to MR-J4-22KA4-RZ (when using the regenerative option)
The MR-J4-11KA-PX to MR-J4-22KA-PX, MR-J4-11KA-RZ to MR-J4-22KA-RZ, MR-J4-11KA4-PX to
MR-J4-22KA4-PX, and MR-J4-11KA4-RZ to MR-J4-22KA4-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.
Regenerative option
Configure up a circuit which shuts off main circuit
power when thermal protector operates.
Servo amplifier
C
P+
5 m or shorte
(Note)
P
C
G3
G4
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 power
[W]
Servo amplifier
Regenerative
option
Resistance
[Ω]
Without
cooling fans
With cooling
fans
MR-J4-11KA-PX
MR-J4-11KA-RZ
MR-RB5R 3.2 500 800
MR-J4-15KA-PX
MR-J4-15KA-RZ
MR-RB9F 3 850 1300
MR-J4-22KA-PX
MR-J4-22KA-RZ
MR-RB9T 2.5 850 1300
MR-J4-11KA4-PX
MR-J4-11KA4-RZ
MR-RB5K-4 10 500 800
MR-J4-15KA4-PX
MR-J4-15KA4-RZ
MR-J4-22KA4-PX
MR-J4-22KA4-RZ
MR-RB6K-4 10 850 1300
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