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10. OPTIONS AND AUXILIARY EQUIPMENT
10.2 400V class dedicated options
10.2.1 Regenerative brake option (400V class)
CAUTION
The specified combinations of regenerative brake options and servo amplifiers
may only be used. Otherwise, a fire may occur.
(1) Combination and regenerative power
The regenerative power values in the table are the regenerative power of the resistor and are not the
rated power.
Regenerative Power [W]
Servo Amplifier
Converter unit
MR-RB136-4 (5 )
(Note) Three MR-RB138-4
(5 ) in parallel
MR-JS-30KA4/B4 MR-H30KAN4/BN4
MR-JS-37KA4/B4 MR-H37KAN4/BN4
MR-JS-45KA4/B4 MR-H45KAN4/BN4
MR-JS-55KA4/B4 MR-H55KAN4/BN4
MR-HP55KA4
1300
3900
Note. The composite resistor value of three options is 5 .
(2) Parameter setting
When using the regenerative brake option, set the parameter of the converter unit. Match parameter
No. 0 to the regenerative brake option used.
ParameterNo.0
Regenerative brake option selection
0: Not used
1: MR-RB136-4
2: MR-RB138-4(3 pcs.)
(3) Regenerative loss of servo amplifier and servo motor
Servo Amplifier
Inverse Efficiency [%]
C Charge [J]
MR-JS-30KA4/B4 MR-H30KAN4/BN4
90
310
MR-JS-37KA4/B4 MR-H37KAN4/BN4
90
370
MR-JS-45KA4/B4 MR-H45KAN4/BN4
90
450
MR-JS-55KA4/B4 MR-H55KAN4/BN4
90
450
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