This universal hydraulic control unit offers position and pressure control with a Profibus interface and is optimized for maximum precision and dynamic performance. It integrates advanced control functions - such as feed-forward control and acceleration feedback - to ensure stable control of even critical hydraulic drives.
Position control
Pressure control
Extended control functionality
Fieldbus controlled
Digital SSI sensor interface
Unipolar analog sensor interfaces
Bipolar analog control output
USB communication interface for monitoring and parameterization
Profibus connection
The UHC-126-U-PDP hydraulic control unit is a universal axis controller that combines precise position control with pressure control that can take over as needed. It is designed for use in forming machines, handling axes, and similar applications.
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.
It features a configurable analog output (+/-10 V or 4–20 mA) to drive external valve electronics or a valve amplifier. Both SSI and analog sensors can be used for position measurement. Additionally, up to two analog pressure sensors can be connected. Setpoints are provided via Profibus.
Key parameters include position controller settings (VMODE, A/D/V0) and, for pressure control, PS_Range (nominal system pressure) and ARATIO (cylinder area ratio). The unit utilizes two switchable parameter sets (C1/C2: PI/D).
Parameterization is performed via PC using WPC software through the integrated USB interface or, alternatively, via Profibus.
Special features include advanced control functions such as velocity feed-forward (FF), acceleration feedback (AFC) for stabilizing low-frequency drives, and optional fine positioning.
Technical
Documentation
Application Note:
Positioning of
hydraulic axes
GSD file
GSDML file
SIMATIC driver
ESI file
Flyer
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