Woodward 8237-2597 Dual-Channel Analog Proportional Amplifier

Product Brief Introduction Two-channel analog proportional valve amplifier for independent control of two solenoid valves in hydraulic and fuel control systems.
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Technical Specifications Supply: 24 V DC ±10%; 2 channels; input: 4–20 mA per channel; output: 0–2 A per channel; dither: per-channel adjustable; operating temp: -40 °C to +85 °C; IP40.

Functional Features Dual independent analog control loops; per-channel zero/span/dither adjustment; short-circuit protection per channel; coil fault detection.

Application Scenarios Dual-valve turbine control, dual-actuator fuel systems, multi-valve hydraulic manifolds.

Performance Parameters Current accuracy: ±0.5% FSO per channel; channel isolation: 800 V AC; response time: < 15 ms.

Material Composition Metal housing; dual analog control stages; power output circuits; insulated terminals.

Structural Characteristics DIN rail mount; front channel status LEDs; rear multi-pin terminal block.

Working Principle Each channel independently conditions the input signal and regulates output current to its respective solenoid valve.

Installation Requirements Mount on DIN rail; wire each valve separately; calibrate each channel independently.

Usage Notes Label channels to avoid miswiring; test each channel separately during commissioning.




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