GD20-09 Series VFD for Crane
Description
• Built-in braking unit configured for the entire series
* Dedicated terminal design, diverse choices
* Special-purpose braking logic:
– Special-purpose braking logic: Integrates with torque verification to achieve safe run without slip after torque establishment;
– supports starting direction selection and brake selection in FWD/REV switchover to meet various starting requirements flexibly.
* Application macros:
Integrates a variety of crane application macros and supports user-defined macros, which are easy to commission and use.
* Conical rotor motor control:
Helps adjust the magnetic flux based on the characteristics of conical rotor motor to realize fast brake release and closing control, simplify the commissioning steps, and ensure equipment safety.