DC drives boost flexibility
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Gefran SIEI UK product story
Edited by the Engineeringtalk editorial team
Jan 3, 2008
Gefrans EasyDrive PC configuration software allows the user to set up, diagnose and program the SieiDrive TPD32 Digital DC Drive in a graphical environment.
Gefran's SieiDrive TPD32 Digital DC Drives combine a wide range of power ratings and an integrated field regulator for maximum flexibility with optimal control and efficiency.
Optional functions, fieldbus interfaces and application packages are available to provide a competitive and modular high-performance solution for demanding industrial speed and position control applications.
Automation applications covered by the CE, UL and cUL-approved range include conveyor drives, converting and extruding machinery, machine tools, packaging machinery, wire drawing, punch presses and rolling mills.
The SieiDrive TPD32 range is available in thirty standard models in two and four-quadrant versions with three-phase line voltage ratings of 230V AC - 400V AC, - 500V AC and - 690V AC.
Self-contained IP20 enclosures are available for current ratings from 20 to 1050A and higher power IP00 versions with an external bridge provide ratings from 1200 to 3300A.
The integrated field regulator uses a single-phase supply with current rating to suit the DC drive and motor type.
Optional filters are available for full compliance with CEE - EN61800 - 3:2004 EMC directive.
A wide complement of built-in analogue and digital I/O is available for machine interfacing and protection includes a motor thermistor input and relay outputs.
Speed feedback options include tachogenerator and/or digital or sinusoidal encoders.
The range includes features designed to aid straightforward integration into the customers' application.
These include 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.
Options available include a separate and detachable programming keypad, I/O expansion cards and fieldbus interfaces including Profibus, DeviceNet, CANopen and InterBus S.
A range of programmable application cards with predefined library functions provides a choice of application solutions including full electronic line shaft control, wind/unwind control with torque in open or closed loop for load cell input and a single-axis positioning module with up to 64 preset position registers with absolute encoder support via an optional interface.
Gefrans EasyDrive PC configuration software allows the user to set up, diagnose and program the SieiDrive TPD32 Digital DC Drive in a graphical environment with time saving features that include parameter setting via tree structured menus, wizard guided programming, graphical variables display with trend recorder and oscilloscope function and multidrop network management for up to 32 drives.
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Contact Gefran SIEI UK
Tel (UK) 08452 604555
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