Variable Speed Positioning Systems

Joyce Variable Speed Positioning System (VSPS) is a programmable controller that increases the capability of motorized jacks by allowing the operator to easily program up to ten stopping positions. It is housed in two NEMA 4 enclosures, one for the VFD the other for the PLC (as shown). The VSPS includes an HMI display that indicates the current position as well as the stopping location. 

Other standard features:

  • VFD and PLC
  • Limit switch terminals for two LS8-402 end-of-travel limits
  • Speed control dial (real time)
  • Emergency stop push button
  • 1/3 - 20 HP motor control standard
  • 6" HMI display
  • 208, 230, 460, 575 volts standard, three-phase power requirements
  • Manual jog

Many options are available including:

  • NEMA 4X enclosure
  • 50 HZ motors
  • International voltages
  • Single-phase motors
  • 5 horsepower and larger
  • Pendant controls
  • Maintained contact control
  • Stack lights and audible alarms
  • Wiring for LS7 and LS8-404 and other limits

Choose from the part numbers provided under the Product Specifications tab, or fill out the Motor Controls Worksheet and email or fax to Joyce/Dayton.

Motor HP Starter Part Number Suffix
Motor HpVoltage
  208 230 460
1/3 -1 -2 -3
1/2 -5 -6 -7
3/4 -9 -10 -11
1 -13 -14 -15
1 1/2 -17 -18 -19
2 -21 -22 -23
3 -25 -26 -27
Standard Dimensions
ItemMotor HPABC
PLC Box 1/3 -3 12" 12" 6"
VFD Box 1/3 -3 20" 20" 10"

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Request a quote for products and repair parts:

  • New Product Quote: Visit the product sections on this website and select or construct a part number and quantity of the product you wish to purchase.
  • Reorder a Product: Include the previous PO or serial number along with the quantity you need.
  • Repair Parts: View the product manual or exploded view to identify the components that are needed. Locate the product serial number and include it in your correspondence with Customer Service.

If you need us to repair your product, request a Returned Goods Authorization (RGA) number by email, phone, or simply fill out the form above and mention "RGA" in message box.

[email protected]
937-297-7173 (fax)
937-294-6261 (telephone) 800-523-5204 (toll free, U.S. & Canada)

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