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Any alternative for limit switch?

samiuzzil

I am working with soot Blowers on a boiler. For a successful rotation of a blower, they have used a limit switch(with lever) which hit the blower's rotating gear. Its setting is quite tiresome I want to use any other senor any suggestions?

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  • Is the blower motor controlled by a contactor or a VFD ? The VFD may have enough bells and whistles to flag a motor rotation. 

    A Hall effect sensor - magnetic previously mentioned is a good one. It could be applied on the mechanical door vane itself or on the rotating gear.

    An encoder on the rotating gear could also be used. 

    If there is a photo as mentioned, sometimes a whole new approach improves performance an reliability. 

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  • Is the blower motor controlled by a contactor or a VFD ? The VFD may have enough bells and whistles to flag a motor rotation. 

    A Hall effect sensor - magnetic previously mentioned is a good one. It could be applied on the mechanical door vane itself or on the rotating gear.

    An encoder on the rotating gear could also be used. 

    If there is a photo as mentioned, sometimes a whole new approach improves performance an reliability. 

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