28 September 2021
Wiring and programming for dynamic braking resistor on AC drives?
Altivar ATV31, ATV312, ATV32, ATV61, ATV71,
All with the optional dynamic braking resistor.
DB resistor is not turning on to stop the motor quickly
The DB resistor is wired to power terminals PA and PB.
For ATV31/ATV312/ATV32 go to Fun menu, then RPt sub menu and set brA to NO.
For ATV61/ATV71 Go to Menu 1.7 [Application Function} and then Ramp sub menu and set Dec Ramp Adapt to NO.
Note: ATV630 Process Drives are not designed to be used with dynamic braking resistors.