EPW2GFS | Pulse Width (PWM) Input to Pressure Output Interface Module | ACI
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Brand: ACISKU: EPW2GFS

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EPW2GFS | Pulse Width (PWM) Input to Pressure Output Interface Module | ACI

Pulse Width Modulation Input (2.93 sec), Pressure Output (0-15PSI), Dual Valve, Exhausts on Power Failure, Gauge, Version 1, (10, 5, 25 sec), (0-10PSI, 0-20PSI)

ACI | EPW2GFS
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Overview

Details for EPW2GFS

EPW2GFS | Pulse Width (PWM) Input to Pressure Output Interface Module

Description

The EPW converts a pulse or digital PWM signal into a proportional pneumatic signal ranging from 0 to 20 psig. The pneumatic output is proportional to the signal input, either direct or reverse acting, and features a manual override potentiometer to vary the pneumatic output. The EPW offers four jumper selectable input timing ranges (see ordering grid below). Output pressure ranges are jumper shunt selectable for 0-10, 0-15 and 0-20 psig, and adjustable in all ranges. A 0-5 VDC feedback signal indicating the resultant branch line pressure is also provided. This signal varies linearly with the branch pressure range selected. The EPW is designed with electrical terminals on one end and pneumatic connections on the other, allowing for maximum convenience in wiring and tubing installation when panel mounted. Three basic configurations are available: The EPW is a constant bleed interface with branch exhaust response time determined by the bleed orifice size and pressure differentials. If power fails to the EPW, it will continue to bleed through the bleed orifice until branch pressure is zero psig. The EPW2 incorporates two valves (one controls exhaust) and does not bleed air at set point. Its branch exhaust flow and response time are not limited by an internal restrictor and are similar to its load rate. If power fails to the EPW2, branch line pressure remains constant if the branch line does not leak air. The EPW2FS is a two valve fail safe model. Its 3-way branch exhaust valve allows exhaust of branch line air on a power failure. Custom calibration is available upon request for an additional charge. This will speed up installation time for the end user.

Applications

3 Way Mixing Valve Control, Chiller Loading, Pilot Positioner Control, Pneumatic Valve and Damper Actuator Control, Fan Vane Control, DDC Control, Above ceiling applications(mixing and VAV boxes)

Specifications

Item Number EPW2GFS
Brand ACI
Interface Pulse Width (PWM) Input to Pressure Output

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