MOOG G122-829A-001

  • Product Name: G122 Series P-I Servoamplifier
  • Product Introduction: A closed-loop proportional-integral servo amplifier designed to drive electrohydraulic servovalves and proportional valves in industrial and turbine control systems.
Category:
Description
  • Technical Specifications:
    • Control Type: Switch selectable P, I, or P&I control.
    • Supply Voltage: Nominal 24 VDC (22 to 28 V range), 75mA no load, 200mA @ 100mA valve current.
    • Inputs: Three inputs; Differential 4-20mA or ±10V switch selectable; Input 1 scaled to 95V max with 55mS lag.
    • Outputs: Switch selectable voltage (±10V, min load 200 Ohm), current (±5 to ±100mA), or 4-20mA (max load 500 Ohm).
    • Auxiliary Outputs: ±15V @ (110mA – valve current), Transducer excitation +10V @ 10mA max.
    • Frequency Response: -3dB @ 723Hz.
    • Dither: Fixed 200 Hz, ±10% valve drive, switch selectable.
    • Enable Input: Relay, +24V @ 8mA (17 to 32V).
    • Valve Supply: Terminal 23, 300mA max.
  • Functional Features: Front panel LEDs (Vs, Valve drive +/-, Enable, In position), 15-turn trimpots for gain/bias/dither/zero adjustments, step push-button for -50% disturbance test, derivative (velocity) feedback via plug-in resistor.
  • Structural Features: DIN rail mountable modular card, dimensions 100W x 108H x 45D mm, weight 180g, IP20 rating.
  • Operating Conditions: 0 to +40°C, wire size 0.2 to 2.5 mm².
  • Application Scenarios: Gas turbine control (GE 7FA/9FA), steam turbines, rolling mill hydraulic positioning, DCS process loops.
  • Installation Requirements: Requires M205 250mA slow-blow fuse (IEC127-2), increase fuse if terminal 23 powers valve. Ensure shielded cable grounding to avoid ground loops.
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