 
  
Available for A4VSO and A4VSG Pressure and flow control Remote controlled optional Pressure controller for parallel operation optional Mechanical Vg min and Vg max limitation 
  Data sheet
  Spare parts & repair
 
  
Available for A4VSO and A4VBO Precise control in accordance with the hyperbolic characteristic curve, provides an optimum utilization of available power The beginning of control is mechanically adjustable Additional functions in the modular system for pressure control, fixed setting and remotely controllable, flow control, hydraulic or mechanical stroke limiter 
  Data sheet
  Spare parts & repair
 
  
Available for A4VSO, A4VSG and A4CSG Control is pilot-pressure related Different pilot-pressure ranges available Power control, pressure control and electrical pilot pressure supply optional Standard spring-centering of the stroking cylinder 
  Data sheet
  Spare parts & repair
 
  
Available for A4VSO, A4VBO, A4VSG and A4CSG Electrohydraulic control with servo, proportional and control valve Digital electrohydraulic control systems with amplifier Control of swivel angle, pressure and power (HS5P) Usable as a special version in mooring operation (overcenter) 
  Data sheet
  Spare parts & repair
 
  
Available for A4VSO and A4VBO For the electrohydraulic control of pressure, flow and power Internal pilot pressure or with external control pump, optional Rapid decompression via pump by flow direction change as standard Rotary group optimized for long standby operating times 
  Data sheet
  Spare parts & repair
 
  
Available for A4VSO Highly dynamic rotary drive for open circuit Motor and generator operation for both directions of rotation With energy recovery and energy storage With closed loop rotational speed, position, or torque control for high control performance and dynamics 
  Data sheet
  Spare parts & repair
 
  
Available for A4VSO, A4VBO, A4VSG and A4CSG Electrohydraulic control systems with on-board electronics For the electrohydraulic control of pressure, flow and power Optional conversion of HS3 and HS4 to HS5E 
  Data sheet
  Instruction manual
  Functional description HDx20
  Functional description HDx20 – Supplementary information
  Parameter description
  Description of diagnosis
  Firmware release notes HDx20
  Fact sheet
  Spare parts & repair
 
  
Version with axial piston variable displacement pump A4VSO Size 40 … 355 Maximum operating pressure 350 bar Function: Swivel angle control, Pressure control,Torque limitation, Master-Slave Communication: Analog, configurable 
  Data sheet
  Operating instructions
  Environmental compatibility statement
  Spare parts & repair
 
  
Version with axial piston variable displacement pump A4VSO Size 40 … 355 Maximum operating pressure 350 bar Function: Swivel angle control, Pressure control,Torque limitation, Master-Slave Communication: Analog, CANopen, parameterizable 
  Data sheet
  Commissioning instruction
  Commissioning instructions CANopen interface
  Environmental compatibility statement
  Spare parts & repair
 
  
Version with axial piston variable displacement pump A4VSO Size 40 … 355 Maximum operating pressure 350 bar Function: Swivel angle control, Pressure control,Torque limitation, Master-Slave Communication: Sercos, PROFINET, EtherCAT, EtherNET/IP, POWERLINK, VARAN, analog 
  Data sheet
  Operating instructions
  Environmental compatibility statement
  Functional description HDx20
  Parameter description
  Description of diagnosis
  Supplementary information
  Spare parts & repair
 
  
Version with axial piston variable displacement pump A4VSO Size 40 … 355 Maximum operating pressure 350 bar Function: Swivel angle control, Pressure control, Torque limitation, Master-Slave, Variable-speed Communication: Analog, CANopen, parameterizable 
  Data sheet
  Operating instructions
  Environmental compatibility statement
  Supplementary information
  Spare parts & repair