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About Electro-pneumatic Transducers
Electro-pneumatic transducers convert current or voltage input signals to proportional output pressures. They are used as process control elements in valves, pneumatic relays, and flow regulators for applications such as spray and damper control. There are three basic types of electro-pneumatic transducers: voltage-to-pressure (E/P), current-to-pressure (I/P), and digital-to-pressure (D/P). Voltage-to-pressure devices offer finite control ranges such as 0 – 5 V or 0 – 10 V. Current-to-pressure devices provide current loop control and signal ranges such as 4 – 20 mA or 0 – 20 mA. Digital-to-pressure devices use either serial or parallel controls. Commonly used serial controls include RS232 and RS485. Examples of parallel protocols include general-purpose interface bus (GPIB) and IEEE 488. Specialized inputs such as transistor-transistor logic (TTL) are also available.
Engineering Web: Electropneumatic Transducers - Machine Design
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Electropneumatic servo for food | Machine Design The AirNC electropneumatic servosystem from Bosch Rexroth, Lexington, Ky., (boschrexroth-us.com) is capable of position, speed, and force control, |
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Electrical & Electronic | Machine Design Air-Velocity Transducers FMA-900 air-velocity Electropneumatic flow valve uses closed-loop control |
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Fluid Power Monthly Specifying and Selecting Pressure Sensors and Transducers Wednesday, November 15, 2:00 p.m. ET Honeywell continues its "Sensing & Controls" |
