The UHC-126-U-PFN control module for position and pressure regulation can be operated via Profinet, Profibus, or EtherCAT, allowing for easy and fast integration into existing machine control systems. Function blocks for S7 are available. The position controller has been revised to meet special requirements, resulting in excellent dynamics and maximum positioning accuracy.
In addition to standard position control, the following options are implemented:
- Direct control: The target position can be changed at any time via the fieldbus
- Fast/slow mode: For automatic execution of predefined motion profiles
- Drift compensation: Ensures correct zero-point adjustment, controllable via fieldbus
- Fine positioning: Compensates for position errors caused by external forces
- Path-dependent braking or NC control
- P or PT1 position controllers: For stable and dynamic positioning
- Acceleration feedback: Stabilizes axes that are difficult to control
- MR-Control function: Linearizes the hydraulic axis; absolute linear behavior can be activated via robust MR function
- Simplified and intuitive parameterization
- Optional EtherCAT support
Additionally, a PQ pressure control function can be activated (with or without position control). In PQ mode, both pressures are typically measured to calculate the differential pressure.
Functionality highlights:
- Optimized PID controller
- Dynamically activatable integrator to minimize pressure overshoot
- Two switchable PID parameter sets
The interface to the PLC is a Profinet connection. In line with Industry 4.0, all setpoints and feedback (process data) are available in the protocol. Module parameterization can also be performed via the bus.
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