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OW-BIB Vibration Sensor Support?

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  • Searider
    replied
    Originally posted by jmaddox View Post
    Might also be useful as a 'knock' sensor on the front door. Let us know if you get it working.
    Now that I have had it installed for week, I can tell that the sensor itself would have NO problem for a KNOCK sensor on a door. The problem will if the polling cycle of the One-Wire Server and the Poling cycle of the plugin (does it use polling?) will reliably catch a short duration event like a "Knock". There is a setting in the sensor to set alarms to monitor a preset threshold. That might be a way of catching short duration events but the ability to set/reset and read the alarm state is not captured by the current plugin version. BTW you would probably get false positives every time the door was open and shut.

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  • Searider
    replied
    I just installed a second vibration sensor to the Washing Machine. I was initially going to install it on the Dryer first because I thought it would be easier to interpret the vibration signatures. However the primary machine operator (my wife) said that it would be more useful on the washing machine. Next step will be to observe the vibration signatures over multiple operation cycles so I can properly adjust the threshold for the annunciator.

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  • Searider
    replied
    Vibration Sensor on Water Pump

    This is working perfectly.

    Anything over 7 the pump is on. Below 10 is just background vibration. The separate spikes are when the pump runs for the minimum length of time (washing hands in a sink). The long duration run between 10am and 11:30am was when I was transferring water between two storage tanks.

    Another sensor is on order for the Washing machine.

    Attached Files
    Last edited by Searider; February 26, 2018, 11:26 AM.

    Leave a comment:


  • Searider
    replied
    Vibration Sensor working !

    Just updated to the new plugin version 3.0.6627.037544 and the Vibration Sensor is working.

    Thank you very much !

    I have it installed on my pressure pump for the house. Will now add one for the Dryer and washing machine.

    Leave a comment:


  • Searider
    replied
    Originally posted by Ultrajones View Post
    but may be a challenge detecting a footstep, but I'll know soon.

    Regards,
    Ultrajones
    I realized when I thought it would detect footsteps that not everyone lives on a pier and beam foundation like I do. I doubt it will detect footsteps on slab foundations or very firm foundations. Even in my house, it might be too low to consistently separate from the background.

    Thanks for looking into this so quickly. I am looking forward to being able to monitor the sensor within Homeseer.

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  • Ultrajones
    replied
    My testing confirms the VibrationPeak value is what' I'll want to use to detect vibration (e.g. dryer, washer, footsteps, etc.)

    Regards,
    Ultrajones

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  • Ultrajones
    replied
    My OW-VIB vibration monitor from Embedded Data Systems just arrived. I'll be adding support for it soon. It should work well detecting when a dryer stops, but may be a challenge detecting a footstep, but I'll know soon.

    Regards,
    Ultrajones

    Leave a comment:


  • Searider
    replied
    "Does the counter come into play"

    just realized that I did not answer this part of your question. I have seen no use for the counter other than possibly to detect if it is working or not.

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  • Searider
    replied
    here is what the manual says

    Vibration
    The vibration sensor outputs a value of 0 to 1023, representing a relative level. It tracks 4 values, level, peak, minimum
    and maximum.
    The 'Vibration level' is the instant reading of the sensor.
    The 'Vibration peak' stores the largest reading and holds it for a few seconds so it can be viewed, then it decays to zero.
    The 'Vibration minimum' and 'Vibration maximum' display the min and max values. The clear alarms command resets
    these values.

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  • Searider
    replied
    Originally posted by Ultrajones View Post
    Does the Peak Vibration value reset? Does the counter come into play? How can I tell when vibration is detected?
    The Max vibration does not seem to reset but the Peak Vibration seems to be the peak vibration from the last second so something similar. Ideally, you would just present both the instant and Peak vibration values.

    or if you need to choose, then the peak. I think it will be important to present the value and not just a binary, this way we can eliminate background vibration by comparing to a value. for instance , water pump = on when Peak Vibration is greater than 10.

    for the pump the at rest vibration is between 1 and 3 and the runing vibration is 15-20 with about 100 at start and stop.
    Last edited by Searider; January 28, 2018, 04:36 PM.

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  • Ultrajones
    replied
    Originally posted by Searider View Post
    I have (I hope) attached the XML file. It includes three sensors currently installed including the vibration sensor.
    The Peak Vibration is the most important to me as it is a slightly smoothed version of the instantaneous vibration value and as such is less sensitive to polling frequency.

    Thanks
    Does the Peak Vibration value reset? Does the counter come into play? How can I tell when vibration is detected?

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  • Searider
    replied
    XML File for Vibration sensor

    I have (I hope) attached the XML file. It includes three sensors currently installed including the vibration sensor.
    The Peak Vibration is the most important to me as it is a slightly smoothed version of the instantaneous vibration value and as such is less sensitive to polling frequency.

    Thanks
    Attached Files

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  • Ultrajones
    replied
    Hi,

    Can you send me the device XML output showing the vibration sensor? Please send to ultrajones@hotmail.com.

    Regards,
    Ultrajones

    Leave a comment:


  • Searider
    replied
    Using it as a "knock" sensor is a great idea.

    I have the vibration sensor installed on my water pump right now with a peice of velcro and can inspect it via the OWSERVER interface. It is VERY sensitive and with a good dynamic range. I have no doubt it can detect a door knock. I probably can detect the foot steps of someone walking to the door. It has no problem in detecting if the water pump is on or off.

    Leave a comment:


  • Michael McSharry
    replied
    A few years ago I picked up a bag of surplus auto alarm sensors. Very sensitive to something like a door knock. I interfaced it with RF using DS10A window-door sensor. If I was interfacing today and did not need battery operation then I would use Sonoff WiFi. Sorry I do not have a link to the auto alarm sensor, but should still be very available.

    Leave a comment:

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