1 PCS used Rexroth HACD-DPQ Proportional Valve Amplifier Board #LYQ007
1 PCS used Rexroth HACD-DPQ Proportional Valve Amplifier Board #LYQ007
1 PCS used Rexroth HACD-DPQ Proportional Valve Amplifier Board #LYQ007
Part Number: HACD-DPQ; Model: HACD-DPQ; Product Name: Rexroth Proportional Valve Amplifier Board
Brand: Bosch Rexroth (A global leader in industrial hydraulics and automation technologies, providing high-precision control components for hydraulic systems)
Product Status: Industrial-Grade Original Equipment (In-Stock, Factory Authentic); Product Category: Electronic Control Amplifier, dedicated to driving proportional solenoid valves in electro-hydraulic control systems
Core Application: Widely integrated into injection molding machines, die-casting machines, metal cutting机床, construction machinery, and hydraulic test benches. Specifically designed to match Rexroth proportional directional valves, pressure valves, and flow valves, suitable for scenarios requiring precise regulation of hydraulic flow, pressure, and actuator speed. Ideal for industrial systems with high demands on control linearity, response speed, and stability.
Core Features: High-precision current amplification for proportional solenoids; Built-in dither function to reduce friction and improve valve responsiveness; Support for LVDT position feedback (closed-loop control); Integrated ramp control and dead zone compensation; Comprehensive fault diagnosis and protection mechanisms; Compact design for easy cabinet installation; Compatible with standard industrial control signals (PLC/DCS output); Compliance with industrial EMC and safety standards.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Electrical Performance Parameters
Supply Voltage: DC 24V (Allowable Fluctuation: ±15%), 50/60Hz; Power Consumption: ≤15W (No Load), ≤35W (Full Load);
Input Control Signal: Dual-channel Analog Input (0-10V DC / 4-20mA, 16-bit resolution); Input Impedance: ≥10kΩ (Voltage Signal), 250Ω (Current Signal);
Output Current: 0-1.5A DC (Continuous), 0-2.5A DC (Peak, 10 Seconds); Current Regulation Precision: ±0.5% of Full Scale;
Response Time: ≤5ms (From Signal Change to Output Stabilization); Linear度: ≤0.3% (Input-Output Relationship);
Hysteresis: ≤0.2% of Full Scale; Dither Frequency: 50-300Hz (Adjustable), Amplitude: 0-50mA (Peak-to-Peak);
Feedback Interface: LVDT Signal Input (0-5V DC, for closed-loop control of valve spool position); Signal Filtering: Adjustable low-pass filter (10-100Hz).
2.2 Control & Connection Parameters
Control Modes: Open-Loop Control (Standard), Closed-Loop Control (With LVDT Feedback); Switchable via DIP Switch;
Adjustable Functions: Dead Zone (0-5% of Full Scale), Ramp Time (0.1-10s, Rise/Fall Separate Adjustment), Current Limit (0.1-1.5A);
Digital I/O Interface: 2 Channels Digital Input (DI, 24V DC, Optically Isolated) for control mode switching; 2 Channels Digital Output (DO, 24V DC, Max 1A) for fault alarm and status feedback;
Terminal Type: Screw-Terminal Connectors, Suitable for 0.5-2.5mm² Cables; Electrical Interface: Conforms to DIN EN 175301-803 Standard;
Configuration: Via Built-in DIP Switches and Potentiometers (Local Adjustment), No External Software Required for Basic Settings.
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