Goodrive300-LIFT series inverter Peripheral optional parts
-168-
terminal (-) must be no more than 5 meters. Both the length of the cable
connecting BR1 to one brake resistor terminal and length of the cable
connecting BR2 to the other brake resistor terminal must be no more than 10
meters.
Signal-inverter connection
+ + + + +++
External brake
resistor RB
(+)
DC+
(-)
DC-
BR1 BR2 PE(-)(+)
++ + + + ++
GD300L
DBU
brake unit
D.9 Emergency operation systems
The table below lists emergency operation systems, which can be purchased as required.
Storage battery
protection board
Installs diodes D1 and D2 to protect the
storage battery.
Boosts the UPS power to power the
control board in emergency operation.
Connects the drive board to the control
power board.
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