IMO HD2-3.7A-43 - Page 404

HD2 Series Inverter Optional Peripheral Accessories
-395-
those of a braking unit must be shorter than 5m, and the connection cables
between the BR1 and BR2 terminals of a braking unit and the terminals of a
braking resistor must be shorter than 10 m.
The following figure shows the connection of one inverter to a dynamic braking unit.
+ + + + +++
External braking resistor
(+)
DC+
(-)
DC-
BR1 BR2 PE(-)(+)
++ + + + ++
VFD
DBU