Digital DC Drive Provides a Modular Solution
16 May 2008
The SieiDrive TPD32 combine a wide range of power ratings and an integrated field regulator for maximum flexibility with optimal control and efficiency.
Gefran SieiDrive TPD32
A comprehensive selection of optional functions, fieldbus interfaces and application packages are available to provide a solution for industrial speed and position control applications.
The range is available in thirty standard models in two and four quadrant versions with various 3-phase line voltage ratings.
A wide complement of built-in analogue and digital I/O is available for machine interfacing. Speed feedback options include tachogenerator and/or digital or sinusoidal encoders. The range includes a long list of advanced features to aid straightforward integration into the customers' application, including autotuning speed and current loops, independent programmable linear and S-curve ramping, minimum and maximum speed regulation, programmable multispeeds, current limit linked to speed, and adaptive gains.
Special functions available include ‘Speed draw’ where a configurable speed ratio in a multiple drive system can be applied to a main speed reference; the ‘Auto capture’ function enables the drive to engage smoothly to a running motor for a flying restart and the ‘Droop’ function is used to precisely balance the current between two drives that are connected to two mechanically coupled motors.
A separate and detachable programming keypad is available as an option.
Gefran’s EasyDrive software gives the user advanced features such as parameter setting via tree structured menus, wizard guided programming, graphical variables display with trend recorder and oscilloscope function, and multi-drop network management for up to 32 drives.
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