RAGA | RAⅢ7A Partial Rotation Main Control Board

Deskripsi

Main Control Board

• Model: RAⅢ7A
• Board Type: Main Control Board / Power Board
• Actuator Compatibility: RAⅢ7A partial rotation actuator (quarter-turn)

Brand : RAGA

Product Overview:

The RAⅢ7A main control board is the intelligent motherboard for the RAGA RAIII7A partial rotation (quarter-turn) actuator.
It is responsible for:

• Driving the actuator motor (AC 220V/380V)
• Processing control signals (analog/digital)
• Providing torque and position feedback
• Managing protection functions (over-torque, stall, overheat, phase loss)
• Enabling communication with SCADA/DCS systems

Specifications (Typical for RAIII7A Boards):

• Power Supply: 220V / 380V AC, 50Hz
• Input Signals:
  • 4–20mA
  • 1–5VDC
  • 2–10mA
  • 0.5–2.5VDC
  • 24VDC pulse
• Output Feedback: 4–20mA, digital bus (optional)
• Control Accuracy: ≤±1%
• Repeatability: ≤3%
• Dead Zone: Adjustable 0.1–9.9%
• Protection:
  • IP68 double-sealed enclosure
  • Explosion-proof ExdⅡCT4 (optional)
  • Over-torque, stall, phase loss, overheat
• Ambient Conditions:
  • Temp: −30°C to +70°C
  • Humidity: ≤95%
• Display: LCD with Chinese/English menu
• Manual Override: Handwheel with clutch
• Communication: Optional Profibus-DP, Modbus

Dimensions & Weight:

Applications:

• Quarter-turn valve automation (ball, butterfly, plug valves)
• Oil & gas pipelines
• Power stations
• Water treatment plants
• Chemical and metallurgy industries
• SCADA/DCS integration