Positioning controls

Positioning controllers for hydraulic systems enable highly precise control of cylinders and hydraulic motors and are indispensable for demanding automation tasks.
Through the interaction of valves, sensors, and intelligent control technology, they achieve exact positioning, dynamic motion profiles, and reliable
repeatability – even under high loads. Learn more...

 

Positioning-controllers-POS-123-P-PFN
Positioning controllers POS-123-P-PFN
• Digital positioning unit
• Printed circuit board in IP-65 housing
• Integrated power stage up to 2.6 A
• Analogue feedback signal (0... 10 V / 4... 20 mA)
• Control via Profinet interface
• Analog, freely scalable sensor interface
• Real, physical units such as mm or mm/s
• Internal profile generator for constant speed
• Individual profile definition by specifying accelerations, speed and decelerations
• Extended control technology with PT1 controller
• Error diagnostics and extended function check
• Simplified parameterization with WPC-300 software
1.564,88 EUR
1.337,50 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
1.337,50 EUR excl. 17% tax
Positioning-controllers-POS-123-P
Positioning controllers POS-123-P
• Digital positioning unit
• Printed circuit board in IP-65 housing
• Integrierte Leistungsstufe bis zu 2,6 A
• Integrated power stage up to 2.6 A
• Additional outputs (0... 10 V / 4... 20 mA)
• Analogue position and speed inputs
• Analogue feedback sensors
• Simple and intuitive scaling of the sensor
• Optional: start-up assistant for fast and simple adjusting of the control parameter
• Motion command values in mm resp. mm/s
• Internal profile definition by acceleration, velocity and deceleration
• Principle of stroke-dependent deceleration for fast and robust positioning
• NC profile generator for constant speed  
• Expanded closed loop control technology
• Highest positioning accuracy by using the drift compensation
• Usable with overlapped proportional valves and with zero lapped control valves
• Fault diagnosis and extended function checking
• Simplified parameterization with WPC-300 software 
1.306,60 EUR
1.116,75 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
1.116,75 EUR excl. 17% tax
1 to 2 (from a total of 2)

 

 

 

Their robust design, high power density and excellent controllability make hydraulic positioning axes ideal for presses, machine tools, test benches and mobile applications. At the same time, they offer long service life, high overload capacity and flexible adaptability to a wide range of ambient conditions. In the Hydromot shop you will find suitable positioning modules and components for precise, efficient and durable axis control in industrial and mobile systems.
 

FAQ: Positioning Controllers in Hydraulics

What exactly are digital positioning controllers in hydraulics and what benefits do they combine?

Digital positioning controllers control the exact position of hydraulic cylinders or actuators with high precision.

  • Hydraulic advantages: High power density, fast dynamics
  • Electronic advantages: Digital position measurement and control
  • Increased process safety, efficiency and repeatability
  • Combines the robustness of hydraulics with the precision of digital control

How do these digital positioning units work technically, particularly with regard to sensing and control?

The control is based on continuous position measurement and a closed-loop control circuit:

  • Position sensing: Magnetostrictive or capacitive sensors
  • Control: Comparison of setpoint and actual value to drive the valve
  • Controllers used: PID or P controllers, partly PT1 controllers with drift compensation
  • Fine positioning for high accuracy requirements

Where are digital positioning controllers used?

Typical applications in automation and precision engineering:

  • Mechanical engineering & robotics (e.g. robot axes)
  • Presses & production lines
  • Hydraulic test benches
  • Automotive and commercial vehicle technology
  • Medical technology (precision actuators)

What are the main benefits of these systems for industrial processes?

Digital hydraulics enable optimum precision at high force levels:

  • High accuracy through digital feedback
  • Drift compensation for stable operation
  • Fast response thanks to hydraulic dynamics
  • Easy integration into PLC/automation systems
  • Less scrap & higher process reliability

What materials are positioning controllers made of and how are they dimensioned?

The design is tailored for high load capacity:

  • Electronic components: Made of glass-fibre-reinforced plastics
  • Sensors: Miniaturized for compact cylinders & special applications
  • Dimensioning adapted to installation space & force requirements

What must be considered when selecting and maintaining digital positioning controllers?

Key factors for selection and service life:

  • Design: Accuracy, operating pressure, axis dynamics, cylinder size
  • Compatibility: Check PLC connectivity & sensor technology
  • Maintenance: Sensor inspection, electronics check, leak tests
  • Service life: Depends on quality & environmental conditions

What specific features do the digital positioning units POS-123-P-PFN and POS-123-P offer?

Common features of both models:

  • IP65 housing & integrated power stage up to 2.6 A
  • Setpoint input in mm & mm/s
  • Error diagnostics & digital parameterization (WPC-300 software)

POS-123-P-PFN:

  • Control via Profinet interface
  • Analog feedback (0…10 V / 4…20 mA)
  • Internal profile generator for constant speed

POS-123-P:

  • Analog position sensors
  • Additional analogue outputs
  • Position-dependent braking for shortest stroke times