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14. OPTIONS AND AUXILIARY EQUIPMENT
(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
FR-BU2-15K FR-BR-15K 1 0.99 8
MR-J2S-350CL
MR-J2S-500CL
FR-BU2-30K FR-BR-30K 1 1.99 4
MR-J2S-500CL
MR-J2S-700CL
(2) Brake unit parameter setting
Normally, when using the FR-BU2, 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.
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