Rexroth VT-HNC100-1-23N-08-P-0 Digital Hydraulic Amplifier
The Rexroth VT-HNC100-1-23N-08-P-0 is a digital axis control module from Bosch Rexroth's HNC100 series, representing a freely programmable, bus-capable NC controller specifically designed for closed-loop control of hydraulic drives. This digital hydraulic amplifier meets the specific requirements of hydraulic drive closed-loop control applications while also offering capability for electric drive control where needed. The VT-HNC100 series is engineered for demanding industrial automation environments requiring precise position, velocity, and force control of hydraulic axes.
Technical Specifications
The Rexroth VT-HNC100-1-23N-08-P-0 operates on a 24V DC power supply and is designed for use with proportional and servo valves requiring closed-loop control with integrated position feedback. The module features digital closed-loop control electronics with NC functionality, providing high-precision axis control for industrial hydraulic systems. The unit is designed for use in harsh industrial environments and conforms to EC EMC requirements, ensuring reliable operation in electrically noisy factory environments. The module is available in variants for single hydraulic axis control, with the ability to expand to multiple axes depending on configuration.
Control Capabilities
The VT-HNC100 digital axis control provides sophisticated closed-loop control algorithms optimized for hydraulic drive dynamics. It can be configured for position control, velocity control, and force/pressure control modes depending on the specific application requirements. The controller features programmable NC functionality, allowing users to implement custom control sequences and motion profiles. The module supports integration with high-frequency response electro-hydraulic proportional directional valves equipped with integrated position feedback, such as the 4WRPE series, ensuring optimal performance in demanding motion control applications.
Communication and Connectivity
The Rexroth VT-HNC100-1-23N-08-P-0 includes bus capability for integration into industrial communication networks. Depending on the specific variant, the module can support PROFIBUS DP, CANopen, or other fieldbus protocols, enabling seamless communication with higher-level PLC and SCADA systems. This bus connectivity allows for real-time parameter access, status monitoring, and coordinated control of multiple hydraulic axes within a single automation network. The module provides dedicated I/O channels for connection to hydraulic system sensors and actuators, including LVDT feedback devices and proportional valve solenoids.
Programming and Configuration
The VT-HNC100 is programmable using Rexroth's engineering tools, allowing engineers to define motion profiles, set control parameters, and implement application-specific logic. The controller supports multiple programming languages and provides extensive diagnostic capabilities for system optimization and troubleshooting. Parameter configuration can be performed online or offline, with the ability to store multiple parameter sets for different operating modes. The module includes comprehensive monitoring functions for real-time observation of axis position, velocity, acceleration, and control deviation.
Applications
The Rexroth VT-HNC100-1-23N-08-P-0 is deployed across a wide range of industrial applications requiring precise hydraulic motion control. Common applications include injection molding machines, hydraulic presses, rolling mills, test stands, metal forming equipment, and material handling systems. The module is also used in mobile hydraulics for construction and agricultural machinery, as well as in aerospace test equipment where high-precision hydraulic actuation is required. The VT-HNC100 series is particularly well-suited for applications requiring coordinated multi-axis control with tight synchronization tolerances and dynamic response requirements.
