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Pulse to Pressure Transducer

Product Description:

The ACI/PWP converts a single pulse modulated input signal into a proportional pneumatic signal ranging from 0 to 15 PSI. The ACI/PWP has an adjustable manual override potentiometer to increase or decrease the pneumatic output and an LED for power and signal status indication. An unlit LED indicates no power to the ACI/PWP while a slow blink indicates power but no signal detected, and a fast blink indicates that a signal is being received. The full scale pneumatic output is 0 to 15 PSI and has 255 steps of resolution.

The ACI/PWP0.2 is a single valve version that has no restrictor and does not bleed or exhaust air. It depends on its branch line consuming between 14 and 73 scims. The PWP1, 5, and 7 are constant bleed controllers, with branch response times determined by orifice size and pressure differentials. The PWP2.2 and PWP2.2FS incorporates two valves and are not a constant bleed controller. Their branch exhaust flow and response times are similar to its load rate. If power is lost to the PWP0, PWP2, and PWP2.2FS they will not exhaust any additional air from the branch line where as the PWP1, 5, and 7 will bleed air until the branch pressure is equal to 0 PSI.

The PWP2.2FS is made of (2) Normally Open valves that upon the loss of power will bleed the branch line pressure to 0 PSI. The output of the PWP's will not wrap around if the pulse length exceeds the maximum of the range selected. All PWP's contain a 0 to 5 VDC feedback signal that can be connected to a controller to monitor the branch line pressure.

The input can be a relay contact closure, transistor, triac, phase cut, or 0 to 10 second duty cycle pulse measured within a 10 second window.

Product Specifications:
Supply Voltage Regulated 24 VDC +/- 10%
Regulated 22 to 28 VAC
Supply Current160 mA max (PTS3.2)
200mA max (PTS3.3FS)
Supply Pressure 20 to 30 PSI Pulse SourceTriac, Transistor, Relay Contact
Output Pressure 0 to 15 PSI Off Time Between Pulses 10 milliseconds minimum
Feedback Output 0-5 VDC Operating Temp Range 32 to 120F

Ordering Information:
ACI/PWP []-[] -[]
0.2Version #1 0.1 to 10 seconds in 0.1 second increments ( ) No Gauge
1.2 0.02 to 5 seconds in 0.02 second increments (G) with Gauge
2.2 0.1 to 25 seconds in 0.1 second increments
2.2FS 0.59 to 2.93 seconds in 0.01 second increments
5.2Version #2 0.023 to 6 seconds
7.2 0 to 10 seconds. Duty Cycle Pulse measured in 10 sec window
Example: ACI/PWP2.2-Version(1)-(G)

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Last Updated 03/18/10