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Elevator Variable Frequency Drive Features

Smooth & reliable elevator control with variable frequency

Flexibility

Control of IM and PM motors in a single product, geared or gearless systems
Open loop or Closed loop vector (with incremental encoder) control of standard IM motors
Open loop or Closed loop (with incremental/EnDat encoder) control of PM motors

Comfortable Ride

Includes 5 independent S-Ramps allowing fine tuning of ride performance and jerk free travel
Short floor operation reduces carriage travel time
High motor switching frequency (max 32kHz) for quiet motor operation
Dedicated motor brake control algorithm for safe and smooth operation of the motor brake

Advanced Features

Anti-Rollback (With Encoder).
Rescue mode operation possible with external UPS
On-board simple PLC function allows custom application programs to be written and interfacing with a wide variety of control systems
Modbus RTU and CANopen as standard
Full load operation up to 50ºC with no de-rating
Safe Torque Off function (TUV Approved) built in as standard
Output contactor control for SIL 3 compliance

Easy to Use

Dedicated elevator drive with logical parameter and function groups
Factory parameter settings suited to simple elevator applications for fast start up
Drive setup using familiar elevator units
Standstill motor autotune – no shaft rotation – no rope removal required
Wireless parameterisation (Using Optistick with OptiTools Studio)