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13. OPTIONS AN
D AUXILIARY EQUIPMENT
(b) When connecting two brake units to a servo amplifier
POINT
To use brake units with a parallel connection, use two sets of FR-BU2 brake
unit. Combination with other brake unit results in alarm occurrence or
malfunction.
Always connect the master and slave terminals (MSG and SD) of the two
brake units.
Do not connect the servo amplifier and brake units as below. Connect the
cables with a terminal block to distribute as indicated in this section.
N/
P/
Brake unit
Servo amplifier
P( )
N( )
N/
P/
Brake unit
Connecting two cables to
P and N terminals
P( )
N( )
N/
P/
Brake unit
Servo amplifier
N/
P/
Brake unit
Passing wiring