Woodward 8237-1246 Dual-Channel Proportional Valve Amplifier

Product Brief Introduction Dual independent proportional valve amplifier for driving two solenoid valves in multi-valve hydraulic control systems.
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Technical Specifications Supply: 24 V DC ±10%; 2 independent channels; input: 4–20 mA per channel; output: 0–1.5 A per channel; dither per channel; -40 °C to +85 °C; IP40; DIN rail.

Functional Features Dual isolated channels; 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 circuits.

Performance Parameters Current accuracy: ±0.5% FSO per channel; channel-to-channel isolation: 1000 V AC.

Material Composition Sheet metal housing; dual analog output stages; adjustment potentiometers; screw terminals.

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

Working Principle Two independent control loops each regulate output current to their respective valve solenoid per input command.

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

Usage Notes Label channels to avoid cross-wiring; test each channel separately during commissioning.




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