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Proportional Electrohydraulic Controls for PVPC Pumps, Pressure-flow-combined P/Q control, Analog or Digital

Key Features

  • Advanced Hardware for PVPC Pumps for Proportional Control
  • Pressure-flow alternate P/Q controls, analog or digital

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The variable displacement axial piston pumps type PVPC, can be supplied with advanced electrohydraulic proportional controls:

  • Open loop pressure control;
  • Load sensing flow control;
  • Open and closed loop P/Q controls;

They allow to perform high dynamics and fine regulations, directly commanded from PLC or from the machine controller. They are available with separated driver or with integral electronics .

New PES digital controllers, integrated to the pump, realize alternate closed loop controls of pressure, flow and max power limitation. The P/Q controls are also available with optional sequence module (LZQZR or PERS versions) that allow to operate the pump with minimum pressure in the circuit close to zero. Following communication interfaces are available for the digital PE(R)S execution, see section 9:

  • PS: Serial
  • BC: CANopen
  • BP: PROFIBUS DP

For technical characteristics and features of the PVPC pumps, see table A160.