Woodward 8251-046 Dual Actuator Driver Module

Product Brief Introduction Dual-channel actuator driver for independent control of two electric actuators in multi-actuator governor systems.
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Technical Specifications Supply: 24 V DC ±10%; 2 channels; input: 4–20 mA per channel; output: 0–3 A per channel; per-channel enable; operating temp: -40 °C to +85 °C; IP20.

Functional Features Dual independent current drives; per-channel enable control; overcurrent protection per channel; actuator fault detection.

Application Scenarios Dual-actuator engine control, split-shaft governor systems, dual-valve electric actuation.

Performance Parameters Output accuracy: ±1% FSO per channel; channel isolation: 500 V DC; response time: < 12 ms.

Material Composition Flame-retardant housing; dual power output stages; control PCB; insulated terminals.

Structural Characteristics Rack plug-in module; front channel status LEDs; rear terminal block.

Working Principle Two independent drive channels each amplify the control signal to drive their respective actuator, with per-channel protection and fault detection.

Installation Requirements Mount in rack; wire each actuator separately; connect control inputs and enable signals.

Usage Notes Label channels to avoid cross-connection; test each channel independently.




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