Valve Controller

Description

Nordson EFD introduces the new ValveMate™ 9000, state-of-the-art precision valve controller. The intricate microprocessor circuitry ensures the dispensing of precise, accurate, and repeatable amounts of the adhesives, lubricants, and other assembly fluids used in many of today's advanced products, such as medical devices, automotive components, and portable electronics. The ValveMate 9000 incorporates advanced features such as Auto-Increment mode that adjusts dispensing parameters after a certain number of shots or a specific elapsed time.

The ValveMate 9000 offers independent dual-valve control programming, each with 24 watt temperature controllers for J-type thermocouples. Each channel can drive a remote high-speed solenoid valve up to 500Hz. At such fast dispense speeds, the high voltage can potentially damage the dispense system, so the ValveMate 9000 incorporates a clever solution with a unique spike-and-hold functionality. When properly set, the spike-and-hold function allows the controller to spike the voltage for a user-specified spike time and then throttle the voltage down to a user-specified hold voltage after the spike time expires. In addition, two electronic pressure regulators (EPRs) provide stability in the fluid reservoir by maintaining consistent dispensing with full-to-empty pressure control. This allows the system to compensate for periodically changing conditions, such as fluid viscosity changes, and can be used to alter the dispensing patterns and create deposits of different sizes. Unlike existing controllers, the ValveMate 9000 offers the ability to remotely program the set-up parameters of the dispense station from the host PC or programmable logic controller (PLC). This feature enables adjustments to be made quickly and easily on-the-fly, without stopping the production line. 

Specs

  • dispenses of precise, accurate, and repeatable amounts
  • independent dual-valve control programming
  • two electronic pressure regulators
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