DUPLOMATIC DDC4-10-400/20

  • Product Name:​ Duplomatic DDC4 Series Proportional Directional Valve Electronic Amplifier Card
  • Product Introduction:​ A Euro-card format (or DIN-rail mount) electronic driver designed to control Duplomatic proportional directional valves and proportional pressure/flow controls. Accepts command reference (0–±10 V, 4–20 mA) and drives valve solenoids with regulated PWM current.
Category:
Description
  • Technical Specifications:
    • Model Interpretation:​ DDC4 = 4-channel / dual solenoid driver; 10 = 10 A max per channel (typical); 400/20 = supply 400 V DC bus variant / 20 V control supply or similar option code
    • Supply Voltage (Control):​ 24 V DC (±15%), typical for DDC4 series
    • Solenoid Drive Current:​ 0–2.5 A or 0–3.0 A per channel (model-dependent; 10 = 10 A peak in some variants)
    • Reference Input:​ 0–±9.9 V or 4–20 mA (single/dual solenoid configurable)
    • Outputs:​ PWM current-controlled to solenoid coils; dither frequency adjustable
    • Display:​ 2-digit LED for parameter observation (U1, C1, E1, U2, C2, E2, G1 etc.)
    • Setup:​ Potentiometers / keypad for ramp time, deadband, max current, dither
    • Operating Temp.:​ –20 °C to +60 °C
    • Protection:​ Reverse polarity, short-circuit, over-temp
  • Functional Features:​ Dual-channel independent control; EEPROM storage of parameters; enable/disable logic input; ramp time adjustment for smooth valve actuation; dither to reduce stiction.
  • Applications:​ Plastic injection molding, press brake hydraulics, heavy-duty industrial hydraulic power units, steel mill hydraulic actuators.
  • Installation & Notes:​ Mount in control cabinet with vibration isolation if needed. Ensure solenoid cable shielding terminated at card end. Set “I Max” (G1 parameter) per valve nameplate before first run. Do not disconnect solenoid under power — use enable input to disable output first.
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