This module is designed for speed control and allows the direct connection of pulse generators for actual value acquisition. Special features include the integrated motor potentiometer function and the ability to use internal setpoints for fixed speed control in generator applications.
Speed control
Power stage
Analog commad input
PWM command input
Interface for pulse transmitter
PWM controlled output for two solenoids (directional)
PWM controlled output for one solenoid
USB communication interface for monitoring and parameterization
The SCU-138-P hydraulic control unit is a universal module for speed control using pulse generators. It is optimized for controlling continuous-acting valves with one or two solenoids.
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.
The SCU-138-P features an integrated power output stage capable of delivering up to 2.6 A. The setpoint can be specified via an analog signal (0–10 V or 4–20 mA), a PWM signal, or a fixed internal setting. Pulse generators connect directly to the digital inputs.
Key parameters include PID controller settings (C:P, C:I, C:D), feed-forward control (C:FF), and output stage settings such as nominal current (CURRENT) and dither parameters. Error handling can be customized using the SENS command.
The configuration is carried out on a PC using the WPC software via the integrated USB interface.
Notable features include a motorized potentiometer function, support for PWM setpoints, and a fixed speed control mode for generators, allowing the unit to operate independently of external setpoints.
Technical
Documentation
Flyer
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