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Festo Introduces the VAEM Valve Controller for Multi-Head Liquid Dispensing
  • USA - English

This new multi-channel valve controller raises micro-dispensing to a high level of performance and ease of use.


News provided by

Festo

Mar 24, 2020, 09:00 ET

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Small, light, energy efficient, fast, and precise ‒ the VAEM overcomes the challenges found in micro-dispensing liquids.
Small, light, energy efficient, fast, and precise ‒ the VAEM overcomes the challenges found in micro-dispensing liquids.

ISLANDIA, N.Y., March 24, 2020 /PRNewswire-PRWeb/ -- Festo introduces the new VAEM solenoid valve controller for multi-head micro-dispensing in pharmaceutical manufacturing and laboratory applications that require high speed and a low coefficient of variation (CV). The compact and energy-efficient VAEM provides individualized control and calibration of to up to eight solenoid valves.

"As our life science technologists were designing the next generation of Festo multi-head micro-dispensing systems, they found that a more advanced valve controller was required, one that would meet their speed and precision goals," said Craig Correia, Director of Life Science & Process Industries, Festo North America. "As development on the new valve controller progressed, the team also designed in energy efficiency, minimal heat generation, ease of use, compactness, and importantly, the capability to compensate for flow variations in individual valves."

The VAEM can open a valve in under 2 milliseconds. Rapid and precise control of the valve decreased CV from 3% to less than .5% in laboratory benchmark testing. The VAEM enables users to easily and quickly calibrate flow through individual channels, which improves precision across multi-head systems.

The VAEM employs a "hit and hold" strategy to lower energy consumption. A short burst of high current "hits" the open position, and then the VAEM switches to a minimum current to "hold" the open position for a specified time. The strategy of using current rather than voltage to control valves diminishes heat buildup and aids in maintaining specified flow.

VAEM valve controllers are suitable for 2/2- and 3/2-way solenoid valves. They feature RS232 communication. Future iterations of the valve controller will have options for Ethernet, Modbus TCP, and IO-Link. A PC based graphical user interface (GUI) enables users to pre-calibrate the dispense heads and to save the control parameters for standalone operation. External 24 V trigger-input synchronizes the VAEM with other systems. The controller's dimensions are 3.6 x 3.9 x 1.1 inches (92 x 100 x 28 mm).

For more information on the VAEM valve controller and other Festo LifeTech solutions – dispensing liquids, controlling gases, handling and gripping vials – email [email protected] and visit the Festo LifeTech webpages. The Festo general information number is 800-993-3786.

About Festo    
Festo is a leading manufacturer of pneumatic and electromechanical systems, components, and controls for process and industrial automation. For more than 40 years, Festo Corporation has continuously elevated the state of manufacturing with innovations and optimized motion control solutions that deliver higher performing, more profitable automated manufacturing and processing equipment.

Connect with Festo: Facebook, LinkedIn, Twitter and YouTube

SOURCE Festo

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