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11. OPTIONS AND AUXILIARY EQUIPMENT
11.3.1 Selection
Use a combination of servo amplifier, brake unit and resistor unit listed below.
Brake unit Resistor unit
Number of
connected
units
Permissible
continuous
power [kW]
Total
resistance
[
]
Applicable servo
amplifier
200V FR-BU2-15K FR-BR-15K 1 0.99 8 MR-J3-500B (Note)
class 2 (parallel) 1.98 4 MR-J3-500B
MR-J3-700B
MR-J3-11KB
MR-J3-15KB
FR-BU2-30K FR-BR-30K 1 1.99 4 MR-J3-500B
MR-J3-700B
MR-J3-11KB
MR-J3-15KB
FR-BU2-55K FR-BR-55K 1 3.91 2 MR-J3-11KB
MR-J3-15KB
MR-J3-22KB
MT-BR5-55K 1 5.5 2 MR-J3-22KB
400V
class
FR-BU2-H30K FR-BR-H30K 1 1.99 16 MR-J3-500B4
MR-J3-700B4
MR-J3-11KB4
FR-BU2-H55K FR-BR-H55K 1 3.91 8 MR-J3-11KB4
MR-J3-15KB4
MR-J3-22KB4
FR-BU2-H75K MT-BR5-H75K 1 7.5 6.5 MR-J3-22KB4
11.3.2 Brake unit parameter setting
Normally, when using the FR-BU2-(H), changing parameters is not necessary. Whether a parameter can be
changed or not is listed below.
Parameter
No. Name
Change
possible/
impossible
Remarks
0 Brake mode switchover Impossible Do not change the parameter.
1 Monitor display data selection Possible Refer to the FR-BU2-(H) Brake Unit
Instruction Manual.
2 Input terminal function selection 1
3 Input terminal function selection 2
77 Parameter write selection
78 Cumulative energization time
carrying-over times
CLr Parameter clear
ECL Alarm history clear
C1 For manufacturer setting
Impossible Do not change the parameter.