This universal hydraulic control unit offers precise position control using analog sensors. It enables fast and robust control of a hydraulic axis.
The POS-123-U hydraulic control unit is a module designed to control hydraulic positioning drives, optimized for robust stroke-dependent deceleration (SDD) or high-precision NC control.
The unit is designed for installation within a shielded EMC enclosure (control cabinet) and mounts onto a standard DIN rail. It has an IP20 protection rating.
An analog output (±10 V or 4–20 mA) serves as the control signal. Additionally, analog inputs are used to determine the actual position and the target position.
Key parameters include the control mode (VMODE), which allows the user to select between SDD and NC operation. In SDD mode, A (acceleration time) and D (braking distance) define the motion profile, while MIN/MAX and trigger settings are used to compensate for valve overlap.
Parameterization is performed PC-based using the WPC software via the integrated USB interface.
The control unit supports advanced control techniques such as drift compensation and fine positioning.
Technical
Documentation
Application Note:
Positioning of
hydraulic axes
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