WOODWARD 8270-1035 Electronic Speed Controller

Description

WOODWARD 8270-1035 Technical Specifications
Brand and Model Identification
Brand Name: Woodward (Legacy / Barber-Colman design architecture, current production licensed via QCC)
Specific Model Reference: 8270-1035
Equivalent Factory Part Number: DYN1-10784-003-0-12 (Stanadyne D application variant)
Product Classification: Electronic Speed Controller / Engine Governor Assembly
Control Performance and System Capabilities
Control Architecture: High-precision analog closed-loop proportional-integral-derivative (PID) tracking
Operation Profile: Full speed control, automated isochronous governing, or selectable droop operation
Application Compatibility: Engineered for bidirectional or unidirectional speed corrections on piston engines and small industrial turbines

Electrical Input and Power Sourcing
Nominal Operating Voltage: 12V DC standard vehicle or auxiliary battery input
Supply Voltage Tolerance: Engineered to handle common low-voltage cranking drops down to nominal automotive thresholds
Electrical Protection: Integrated reverse polarity protection, high electromagnetic immunity (EMC), and internal current limiting to protect inner control circuits
Input and Output (I/O) Signaling
Primary Speed Signal Input: Accepts high-frequency AC inputs from a magnetic pickup (MPU) sensor tracking an engine flywheel ring gear
Auxiliary Control Inputs: Terminals dedicated for external speed trimming potentiometers, idle/run remote switching contacts, and ramp-rate configurations
Primary Actuator Output: Direct current pulse or proportional voltage output optimized to command a matching DYNA series rotary electric actuator
Physical Dimensions and Weight
Unit Physical Envelope: Approximately 203 mm (Width) x 203 mm (Height) x 203 mm (Total Profile Depth) / Equivalent to 8.0 in x 8.0 in x 8.0 in
Approximate Net Weight: 1.1 kg to 1.5 kg (lightweight, robust enclosure shell layout)
Mounting Profile: Panel-mount configuration designed with integrated corner mounting holes for flush secure attachment inside electrical control lockers or engine-adjacent boxes
Environmental and Thermal Operating Conditions
Operating Temperature Envelope: -40°C to +85°C ambient deployment limits
Relative Storage Temperature Range: -55°C to +105°C in dry states
Vibration and Shock Resilience: Ruggedized mechanical construction designed to withstand low-frequency continuous structural vibrations from engine frames
Cooling Infrastructure: Passive self-cooling chassis design eliminating all internal fans or moving parts
Key Product Features
Solid-State Analog Reliability: Built without an operating system layer, eliminating digital boot latencies and ensuring instantaneous response to sudden engine load changes.
Flexible Parameter Tuning: Features localized, multi-turn trimmer potentiometers for manual adjustments of Gain, Stability, Integral action, Idle speed, and Rated operating speed.
Tailored Stanadyne Integration: Optimized explicitly as a drop-in replacement or factory control unit for Stanadyne D injection pump governing systems, avoiding compatibility errors.
Decentralized Panel Installation: The compact panel-mount design allows engineers to isolate the controller from direct heat blocks while keeping wiring runs short and serviceable.

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