Description
The PQP-176-P is a universal pump control module with an integrated power output stage. It is used to control the swivel angle, pressure and power of variable-displacement pumps. The module is designed for hydraulic
Designed for use in open-loop or closed-loop control systems.
Key features and characteristics of the PQP-176-P:
- Swivel angle, pressure and power control
- Freely scalable analogue inputs
- Compact design
- Digitally reproducible setting
- Optimised control function
- Application-oriented parameterisation
- Two sets of parameters can be selected for pressure control
- Swing angle limitation function
- Integrated power amplifier
- Alternative analogue control variable for control valves with OBE
- Fault diagnosis and advanced functional testing
- Easy parameter setting using the WPC-300 software
- The module can activate a directional control valve on the pump to adjust the swivel angle and control valves with one or two solenoids.
- The output stage can be deactivated via a parameter to allow the connection of a control valve with integrated electronics.
- The control system is designed as a cascade control system and is suitable for a wide range of pumps from various manufacturers.
- Pivoting through the zero position (mooring operation, active pressure relief) can also be configured.
- Setpoint and actual values can be read as voltage (0–10 V) or current (4–20 mA) signals.
- The inputs are freely scalable, meaning that individual signal ranges can also be analysed.
- The output current is regulated and independent of the supply voltage and the magnetic resistance.
- The output stages are short-circuit-proof and are monitored for cable breaks to the magnet.
- In the event of a fault, the output stages are switched off.
- The system is designed to be simple and problem-oriented, ensuring a short training period.
The module controls the pump by actuating the swing-angle valve, whereby the swing angle can be adjusted to open or close the valve in order to achieve the desired setpoint position or the
to achieve the desired degree of opening. The external setpoint can be influenced by various parameters and functions, such as a flow rate correction factor or a configurable limiting function. The integrated power-limiting function and the pressure regulator, which can be connected in cascade, can limit the setpoint. In cases where active pressure relief is possible, the pressure regulator can also be enabled for the negative range.
Tariff No. / HS Code: 85371098
Data sheet: https://www.w-e-st.de/files/pdf/PQP-176-P-DE.pdf
