Valve position feedback is a rotary angular stroke pneumatic valve position feedback device designed for valve process position feedback. It is compatibled with most PLC (programmable logic controller) automation systems with digital communication or bus communication. (AS-I BUS). Including position feedback output, three-segment LED display, anti-leakage function, etc., used to control all types of process valves. It can be mounted on a variety of pneumatic valves, such as pneumatic butterfly valves, ball valves, globe valves and other rotary stroke valves.
Feedback Output : PNP DC 24V & 4-20mA
Power supply : DC24V ± 10%
Bus communication : AS-I-BUS
Accuracy: Repeat positioning accuracy ≤ 0.2%;
Setting: One-button auto-tuning function
Leak prevention diagnostic function
Display: three-segment lamp color
Open: green / red
Close: red / green
Middle position: yellow (used for mixing proof valve )
Stroke angle: 0-180°
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