Electropneumatic positioner having binary input arrangement prov

Details Electropneumatic positioner having binary input arrangement prov Electropneumatic positioner having binary input arrangement prov

1999-04-30

2000-09-05

Michalsky, Gerald A.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91363R, 137 85, F15B 909

Patent

active

061126381

ABSTRACT:
The present invention includes an electropneumatic positioner having an external binary input block which provides access to the electrical output of an integral electronic position controller to control operation of a valve relay. The invention enables manual control of the positioner for safety, maintenance etc.

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TZID-C Intelligent Positioner Data Sheet, pp. 1-18, Published by Hartman & Braun, Oct. 1998.
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SRD991 Intelligent Positioner, Product Specifications Manual, pp. 1-12,Published by Foxboro-Eckardt, May 1998.
SRD992 Digital Positioner, Product Specification Manual, pp. 1-12, Published by Foxboro-Eckardt, Jul. 1998.

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