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Unidrive SP Additional Functionality
Unidrive SP Regenerative Mode
Unidrive SP can be congured to provide full four-quadrant
control of the power or drive system. In regenerative mode,
the Unidrive SP is capable of either supplying power to the
DC bus of the Unidrive controlling the motor or removing
power from the DC bus of the Unidrive SP controlling the
motor and returning it back to the supply.
• Unity or controllable input power factor
• Sinusoidal input current (low harmonic content)
Control Techniques engineers are experts at building
four-quadrant regenerative systems for use in many
applications where clean sinusoidal power can be put
back to the AC supply.
Unidrive SP Regenerative Solutions
Servo Motor
Control Techniques has the solution for any application requiring pure sinusoidal
regenerative output such as winder-to-winder or tensioner machines.
Positioning Using Closed-Loop Vector Motors
Unidrive SP motion programming platforms support closed-
loop vector motor positioning applications using “Motion
Made Easy,” PowerTools Pro software with the SM-EZMotion
option module, or using SyPTPro with the SM-Applications
option module. Many applications today can benet from
the advanced control capabilities, energy savings, cleanliness,
noise reduction and advanced communications that AC vector
motor positioning and the Unidrive SP can provide. Through
its One Source program, Control Techniques offers a wide
selection of closed-loop vector motors which feature an
economical incremental encoder and matched cabling. This
combination provides users with “plug-and-play” solutions
for hundreds of applications that can now be solved using
the latest AC motor and control technology to increase
performance while lowering overall costs.
Benefits
• Overcomes high-load inertia mismatches with use of larger
AC motors without the expense of large servo motors and/
or gear reducers
• Provides precise high-speed positioning when rapid accel/
decel rates are not required
• Eliminates environmental and maintenance issues
associated with hydraulic and pneumatic systems
• Plug-and-play eldbus integration into full-featured
control systems
• Integrated, scalable PLC functionality reduces panel space
and wiring costs
• Simplied programming, quick startup and advanced
diagnostics
• High-performance 2000-to-1 speed range
• Encoder-ready with cables
Control Techniques One Source Program
One Source provides access to key peripheral equipment
from world class suppliers. All products provided under this
program are only available with Emerson drive or soft starter
product/solutions.
For more information on
Control Techniques’ One Source
program, visit:
OneSource.cta@emerson.com