Siemens Series 750E overview
Siemens Moore Products Series 750E Valve Positioners 4-20 mA provides a precise pneumatic output positioning signal from a 4-20 mA input Universal design accomm...
Product details
Manufactured bySiemens
Product groupValve Positioner
DescriptionSiemens Moore Products Series 750E Valve Positioners
Key Features4-20 mA provides a precise pneumatic output positioning signal from a 4-20 mA input Universal design accommodates a wide range of applications Characterized cam operation accommodates applications where reliable electronic control is required Rugged shock and vibration resistent construction ensures operation in harsh environments Field adaptability accommodates single-acting or doubleacting service provides application versatility Manifold block, gauges, gain selection, and terminal housing options accommodate a wide variety of applications
OverviewThe Model 750E is a cam-characterized, double acting electronic valve positioner that uses a standard 4-20 mA electronic input signal. It then converts this signal to a pneumatic output to position a control valve actuator. The Model 750E provides precise, controlled positioning for single or double acting actuators. The 750E’s rugged shock and vibration resistant construction also ensures accuracy within harsh industrial environments. Moreover, Cam profiles and feedback input shafts allow the Model 750E to be used in a variety of applications where reliable electronic control is required.The Model 750E uses a high-gain, piloted spool valve to load the actuator for positioning in response to electronic input signals. A characterized cam provides mechanical feedback. Cam profiles are available for linear, equal percentage, or quick opening position. A blank profile cam is also available for custom applications. Feedback input shafts are available for rectilinear or rotary action. Rectilinear action can range from 1/2" to 6" in length. All electronic components are securely sealed in an airtight, explosion-proof housing; however, zero and span adjustments are easily accessible for simple calibration and maintenance.Its versatile design and quality construction allow the Model 750E to be used with a variety of actuators. The feedback input shaft and the characterized cam can also be easily replaced in the field to convert the Model 750E from rectilinear or rotary motion. No additional parts or equipment are necessary to change between single or double acting actuators or direct/reverse action. Moreover, the 750E’s mounting is identical to that of the Model 750P Pneumatic Valve Positioner, allowing these instruments to be interchanged with a minimum of tubing changes.
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