Rexroth VT-HNC100-1-23W-08-P-0

Core Technical Specifications

• Axis Control Capacity: 1 independent closed-loop hydraulic servo axis (position, speed, force three-loop compound control)
• Main Power Input: 110/230 VAC 50/60 Hz wide-range industrial mains power supply
• Feedback Signal Interface (P-type): Supports LDT magnetostrictive displacement sensors, incremental encoder signals
• Built-in I/O Channels: 8 configurable mixed digital/analog I/O ports for limit switches, pressure transmitters and interlock signals
• Closed-Loop Control Algorithm: Multi-stage adaptive PID with feedforward compensation, electronic cam table storage capacity of 1000 points
• Communication Interfaces: RS485 Modbus RTU, Ethernet IP, Profibus DP optional expansion, USB local parameter configuration
• Servo Valve Drive Output: Built-in ±10 VDC analog drive signal for Rexroth hydraulic servo proportional valves
• Operating Environment: -10°C ~ +65°C cabinet temperature, 5%–90% RH non-condensing humidity
• Mounting Form: 19-inch standard rack 3U height pluggable module, wall-mount optional via accessory brackets
• Control Resolution: Position closed-loop control precision up to 0.001 mm matched with high-precision LDT sensors
• Protection Grades: Over-travel hardware limit protection, over-pressure force alarm, power surge suppression, short-circuit I/O protection

Functional Features

1. Three-loop compound closed-loop control (position, speed, force) realizes ultra-precise hydraulic motion for heavy-load precision machining equipment
2. Adaptive PID algorithm automatically adjusts control parameters according to load changes, eliminating manual gain tuning for varying workpiece weight
3. Built-in electronic cam function replaces mechanical cam structures, editable cam curves stored in non-volatile flash memory without power retention loss
4. Docking compatibility with Vibro-Meter vibration monitoring modules: triggers slow-down or axis retraction interlock when equipment abnormal vibration thresholds are exceeded
5. Multiple industrial bus communication protocols support seamless data interaction with plant DCS, CNC systems and upper monitoring platforms
6. 8 multi-function configurable I/O channels integrate limit detection, hydraulic pressure feedback and equipment fault interlock signal collection
7. Front panel LCD display and physical operation buttons support on-site parameter modification, motion curve monitoring and fault code query without upper computer
8. Complete multi-layer safety protection logic including soft limit, hard travel limit, hydraulic over-force and power supply fault interlock for unmanned production line operation

Working Principle

Material & Structural Characteristics

• Control Mainboard: Multi-layer high-speed digital FR4 PCB with independent analog/digital ground separation to isolate hydraulic drive signal noise
• Front Panel: Die-cast aluminum alloy anti-vibration frame, backlit LCD display and waterproof silicone membrane operation buttons
• Power Supply Module: Industrial-grade wide-range AC-DC switching power unit with surge and lightning surge suppression circuit
• Terminal Assembly: Heavy-duty screw terminal blocks with copper alloy conductors, PA66 flame-retardant plastic shell for hydraulic workshop oil resistance
• Housing Frame: Cold-rolled steel bent cabinet frame with electrostatic anti-corrosion powder coating, IP54 front panel splash protection
• Internal Memory Chip: Wide-temperature industrial flash storage chip, data retention cycle over 10 years without external power supply

Installation Requirements

1. Mount the unit into a standard 19-inch control rack with a minimum of 2U empty vertical space above and below for air convection heat dissipation
2. Separate high-voltage mains power wiring, servo valve analog drive wiring and low-level vibration monitoring signal wiring with ≥15 cm spacing in cable ducts
3. Connect the controller rack chassis to a dedicated hydraulic station protective earth grid using a 6 mm² copper braided grounding cable
4. LDT displacement sensor feedback cables must use factory matched shielded cables; single-end grounding at the controller cabinet side only
5. If installed in coastal salt-spray or high-oil-mist hydraulic workshops, install an airtight cabinet with air purification filter to prevent circuit corrosion
6. Profibus/Ethernet communication cables must adopt industrial shielded bus cables and avoid parallel routing with hydraulic power unit motor power lines

Application Scenarios

• Heavy-duty hydraulic metal forming presses with vibration interlock safety monitoring systems
• Automotive manufacturing hydraulic press-fit assembly production lines precise closed-loop position control
• Wind turbine hydraulic pitch adjustment high-precision servo axis control cabinets
• Hydraulic test benches for steam turbine and compressor component load simulation control
• Marine vessel deck heavy-load hydraulic actuator closed-loop motion control systems
• Aerospace component precision hydraulic forming machine multi-parameter compound control equipment

Operation & Maintenance Precautions

1. Do not open the controller housing during operation; internal high-voltage AC power circuits pose electric shock hazards and will void factory certification
2. Back up cam curve and PID parameter files to external USB storage before scheduled equipment shutdown maintenance
3. Conduct quarterly cleaning of front panel LCD and button surfaces to remove accumulated hydraulic oil mist and metal dust
4. When connecting vibration monitoring system Modbus communication lines, strictly match address coding to avoid signal conflict and control logic disorder
5. Calibrate LDT position feedback linearity every 18 months using standard displacement calibration fixtures
6. If over-force or vibration interlock faults occur frequently, check hydraulic pipeline pressure fluctuations and front-end vibration sensor signal integrity before adjusting controller safety thresholds