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D 150 VW (E-Series SCVP) - EPC Wiring & Setup

D 150 VW (E-Series SCVP) - EPC Wiring & Setup

D 150 VW (E-Series SCVP) - EPC Wiring & Setup

Product catalog summary
Overview: This technical document provides detailed specifications and configurations for operating a specific pump using the Oilgear EPC amplifier. It includes wiring standards, software configurations, and calibration data necessary for optimal pump performance.
Specifications:
  • Pump Rotation: Designed for clockwise (CW) or counter-clockwise (CCW) rotation.
  • LVDT Location: Defined by pump design and mounting preferences, can be left hand side facing shaft (LHSFS), right hand side facing shaft (RHSFS), or top.
  • Port of Delivery: Pumps can be one-way or bi-directional, with the table assuming 'A' port delivery.
  • Polarity: Commands can be current or voltage, with the table assuming a plus (+) voltage for 'A' port delivery.
Procedures:
  • Calibration: Initial values for LVDT feedback, pump response gain, and LVDT offset are provided but may need optimization for specific applications.
  • Dither: Provides a 200 Hz current pulse to prevent servo valve sticking.
  • Current Limit: Ensures electrical output matches servo valve design limits.
Recommendations:
  • Ensure proper wiring, configurations, and calibrations to avoid pump control loss or damage.
  • Contact Oilgear for cross-referencing model codes with 'L' or serial numbers.
D 150 VW Notes:
  • Contains both LVDT and torque motor servo valve in a common housing.
  • Mechanical stroke rated at approximately +/- 0.531 inch.
  • LVDT rated at approximately +/- 0.50 inch.
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Catalog excerpts

D 150 VW (E-Series SCVP) - EPC Wiring & Setup-1

The Oilgear Company 2300 S. 51st. Street Milwaukee, WI USA 53219 ANALOG INPUT 4 POLARITY (LVDT) 845 NORMAL NORMAL NORMAL NORMAL ANALOG INPUT 1 POLARITY COMMAND 852 NORMAL INVERT INVERT NORMAL DITHER OUTPUT CURRENT ANALOG INPUT 4 (LVDT FB) (GAIN) ANALOG INPUT 4 (LVDT FB) (OFFSET) STROKE CONTROL GAIN OPTIONAL ENTRY FOR CUSTOMER SPECIFIC APPLICATION MODULE CURRENT LIMIT MODULE POLARITY CURRENT CALIBRATIONS (SOFTWARE VALUES) * INITIAL CALIBRATIONS ARE ADEQUATE FOR MOST APPLICATIONS BUT MAY NEED TO BE OPTIMIZED FOR SPECIFIC APPLICATIONS PROGRAM MENU ITEMS CONFIGURATIONS (SOFTWARE SWITCHES) D 150 VW (E-Series SCVP) STROKE CONTROL WIRING

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D 150 VW (E-Series SCVP) - EPC Wiring & Setup-2

TECHNICAL DOCUMENT D 150 VW (E-Series SCVP) STROKE CONTROL WIRING General Notes: This document references schematic wiring standards and software configurations/calibrations required to operate a specific pump, utilizing the Oilgear EPC amplifier. The pump is identified by a partial model code. Complete model codes are defined in pump bulletins. “L” (list) numbers or serial numbers may also identify pumps. Contact the Oilgear Company to cross reference “L” and serial numbers to model codes. Reference Technical Document 836261 for the “Flow Control Program” and Technical Document 836260 for the...

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