SRD991-BHNS7EA4NA-V01 Foxboro (Eckardt) Intelligent Electro-Pneumatic Valve Positioner

SRD991-BHNS7EA4NA-V01 belongs to Foxboro Eckardt SRD991 series intelligent electro-pneumatic valve positioner, equipped with HART communication protocol, accepts 4-20mA analog control signal, converts electrical command into pneumatic output to drive control valve actuator. It realizes precise valve stroke adjustment and on-site valve status diagnosis, widely used in chemical, power, paper and legacy industrial automation system maintenance and spare replacement.