Bosch Rexroth VT-HNC100-1-14/134 – High-Performance Digital Axis Controller | HNC100 Series
Engineering Background
The VT-HNC100-1-14/134 is a dedicated digital axis controller developed by Bosch Rexroth for closed-loop electrohydraulic positioning and velocity control. Engineered within the HNC100 platform, it integrates seamlessly with Rexroth proportional and servo valves, delivering deterministic real-time control for demanding industrial motion applications.
Product Positioning
Designed for procurement engineers and OEM system integrators who require a proven, drop-in replacement or new-build axis controller with full Rexroth ecosystem compatibility. The VT-HNC100-1-14/134 eliminates the need for external PID tuning hardware by embedding all control logic, diagnostics, and parameterization within a single compact module.
Complete Technical Specifications
- Part Number / SKU: VT-HNC100-1-14/134
- Series / Platform: HNC100
- Manufacturer: Bosch Rexroth AG
- Country of Origin: Germany
- Function: Digital closed-loop axis controller for electrohydraulic drives
- Control Modes: Position control, velocity control, force/pressure control
- Analog Inputs: ±10 V command input; actual-value feedback inputs
- Analog Outputs: ±10 V valve command output
- Digital I/O: Enable, fault reset, status outputs (24 V DC logic)
- Supply Voltage: 24 V DC (±15%)
- Communication Interface: Serial parameterization port (Rexroth WinHNC / BODAC software)
- Sampling Rate: High-speed real-time control loop (≤1 ms cycle)
- Integrated Functions: PID + feedforward, ramp generator, limit monitoring, self-diagnostics
- Mounting: DIN rail / panel mount
- Operating Temperature: 0 °C to +50 °C
- Storage Temperature: −25 °C to +70 °C
- Protection Class: IP20 (module), suitable for control cabinet installation
- Weight: approx. 1,600 g
- Certifications: CE marked; RoHS compliant
Proven Application Environments
- Hydraulic press and forming machine axis control
- Injection molding machine clamp and injection axis
- Steel mill rolling and tension control systems
- Marine and offshore hydraulic steering / stabilization
- Test bench and simulation rigs requiring high-accuracy force/position loops
- Retrofit of legacy CNC hydraulic axes to modern digital control
Engineering Advantages
- Single-module integration: Replaces discrete PID controllers, ramp generators, and limit switches in one unit
- Rexroth ecosystem native: Direct compatibility with Rexroth proportional valves (4WRPH, 4WRKE series) and servo valves
- Software parameterization: Full parameter set accessible via WinHNC / BODAC without hardware jumpers
- Deterministic real-time loop: Ensures repeatable positioning accuracy critical for hydraulic CNC applications
- Comprehensive diagnostics: On-board LED status, fault codes, and serial diagnostic output reduce commissioning time
- Proven field reliability: HNC100 platform deployed globally across heavy industry for 20+ years
System Architecture & Signal Flow
The VT-HNC100-1-14/134 operates as the intelligence layer between the machine PLC and the hydraulic valve. The PLC issues a ±10 V position or velocity setpoint to the controller’s command input. The module compares this against the actual-value feedback (linear transducer, encoder, or pressure sensor) and computes a corrected ±10 V output to the proportional or servo valve amplifier. Internal ramp generators, limit monitors, and enable logic ensure safe, smooth axis motion without additional external circuitry.
PLC Setpoint (±10V) ──► [VT-HNC100-1-14/134] ──► Valve Command (±10V) ──► Proportional/Servo Valve
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Actual Value Feedback (Transducer / Encoder)
Sourcing & Quality Verification
- Source: Authorized distribution channels and verified surplus OEM stock
- Inspection: Each unit visually inspected; firmware version and serial number documented
- Authenticity: Rexroth part number, date code, and label integrity verified before shipment
- Warranty: 90-day functional warranty; DOA replacement policy
- Documentation: Rexroth datasheet and wiring diagram available upon request
Procurement Process
- Confirm part number VT-HNC100-1-14/134 matches your existing system documentation or Rexroth BOM
- Submit inquiry or place order directly via Konmask.com product page
- Receive order confirmation with lead time and shipping estimate within 24 hours
- Unit ships with inspection record; tracking provided via email
- Technical support available pre- and post-delivery for commissioning questions
Technical FAQ
Q: Is VT-HNC100-1-14/134 a direct replacement for older HNC100 variants?
A: Yes, the HNC100 series maintains backward hardware compatibility across most sub-variants. Verify the firmware version and parameter set with your Rexroth documentation before commissioning.
Q: What software is required for parameterization?
A: Bosch Rexroth WinHNC or BODAC software (Windows-based). A standard RS-232 serial cable connects to the module’s parameterization port.
Q: Can this controller work with non-Rexroth valves?
A: The ±10 V analog output is industry-standard and can drive any proportional valve amplifier accepting this signal. Verify amplifier input impedance and scaling.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. Contact us for current availability.
Q: Do you provide a test report or functional verification?
A: Yes, functional test reports are available upon request for critical applications.
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