- Manufacturer: Bosch Rexroth
- Model Code: VP-VPCD-1-11/V0/1-0-1
- Product Category: Proportional Valve Controller / Digital Control Card
- Series: VPCD (Digital Control for Valves)
- Supply Voltage: 24V DC (Range: 18V to 35V DC)
- Control Input: Configurable Analog Inputs (0…10V or 4…20mA)
- Output Current: Pulse Width Modulated (PWM) current for solenoid activation
- Interface: Integrated RS232/USB service interface for parameterization
- Mounting Type: Eurocard format or plug-in housing for control cabinets
- Protection Class: IP20 (intended for cabinet installation)
- Sampling Rate: High-speed digital processing cycle < 1ms
- Diagnostic Features: Short-circuit protection, overload monitoring, and status LEDs
The REXROTH VP-VPCD-1-11 serves as a specialized digital command value module designed to regulate proportional pressure and flow control valves with high dynamic response. This specific revision features an optimized microprocessor that enables precise linearization of valve characteristics, compensating for mechanical hysteresis and improving overall system repeatability in complex hydraulic circuits. Its robust electronic design ensures stable signal processing even in industrial environments subject to high electromagnetic interference, making it a critical component for CNC machinery, plastic injection molding, and heavy-duty press applications.
REXROTH VP-VPCD-1-11/V0/1-0-1
Differences from Similar Models
The VP-VPCD-1-11/V0/1-0-1 is distinguished from the standard VT-VSPA series by its fully digital architecture, which allows for more granular tuning of PID parameters compared to older analog versions. Unlike the VPCD-1-10, this “11” series hardware incorporates updated firmware capabilities that support more complex ramp functions and specialized pressure-limiting algorithms. Furthermore, the V0 variant indicates a specific software configuration optimized for single-solenoid proportional valves, whereas other models in the VPCD family may be configured for twin-solenoid directional control, requiring different power output stages.
Operating Tips
To ensure longevity, always verify that the solenoid coil resistance is within the specified range for this controller to prevent overheating of the output transistors. During commissioning, it is highly recommended to use the Rexroth BODAC software to calibrate the zero-point and sensitivity, ensuring the digital command signal aligns perfectly with the mechanical null position of the valve. Additionally, always use shielded cables for the analog input signals and ensure the screen is grounded at the control cabinet end to prevent signal noise from causing erratic valve behavior.
