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11. OPTIONS AND PERIPHERAL EQUIPMENT
(4) MR-J4-11KTM-PX to MR-J4-22KTM-PX/MR-J4-11KTM4-PX to MR-J4-22KTM4-PX (when using the
regenerative option)
The MR-J4-11KTM-PX to MR-J4-22KTM-PX and MR-J4-11KTM4-PX to MR-J4-22KTM4-PX 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-J4-11KTM-PX
MR-RB5R
MR-J4-15KTM-PX
MR-RB9F
MR-J4-22KTM-PX
MR-RB9T
MR-J4-11KTM4-PX
MR-RB5K-4
MR-J4-15KTM4-PX
MR-RB6K-4
MR-J4-22KTM4-PX
11 - 15
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
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