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Thread: Stepper motor fun and investigatins

  1. #1
    Join Date
    Sep 2008
    Location
    Rocklea Brisbane , QLD, Australia
    Posts
    274

    Default Stepper motor fun and investigatins

    Hi all. I hope i can tap in to the collecting hive mind that is "Photonlexicon technicus"

    I have been toying around with jumping into the lumina side of things and jumped on the opportunity to start off by snaffling a x 20 diffraction grating wheel from Daniel in the UK.

    The unit has arrived and i now have to secure a method to control the little beastie via DMX/Artnet

    The Controller has the following markings

    RB Step Motor
    14HA1001-18
    LOT # ......

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    i haven't been able to place the part or manufacturer to secure a schematic or pin put so far

    a bit of googling reveals that 1001-18 is likely to be be 100 steps - 1 revolution, 18 degrees step 20 x 18 = 360.

    which leaves 14HA as un resolved info (14 V High torque?)

    The connector on the stepper motor has 6 wires one of which is cut (the 2nd line with little spaced dots), the end that would attach to a controller has 5 lines i can provide the pin outs of required

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    there is an additional sensor i assume it is a reed switch or optical sensor of some kind, i understand its function as a ZERO for the stepper, but not how to implement its use with a controller.

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    Any help on what each of these might be would be helpful. Any advice on DMX controllers is appreciated I would probably pay more up from for multi channel device that can later control other actuators and motors etc.
    Attached Thumbnails Attached Thumbnails IMG_1058.JPG  


  2. #2
    Join Date
    Mar 2015
    Location
    Cambridgeshire, England
    Posts
    478

    Default

    14 is the motor frame size, NEMA 14; 18 is 1.8 degrees/step, so 200 steps /rev (pretty standard). Without the manufacturer's data, you're going to struggle somewhat; a good start is to measure the resistance between all the wires, you will probably find 2 windings each with 3 wires, one of which is the centre connection; as you have 5 wires, you may find the common is shared betwen windings. Once you know the resistance of the windings, you can make a reasonable stab at the ratings by looking at a variety of NEMA 14 motors and comparing the winding resistances.

  3. #3
    Join Date
    Apr 2009
    Location
    North of Jackson Michigan USA
    Posts
    363

    Default

    "the lumina side of things"
    No. Lumia.
    Lumina is a Chevy.
    Lumia is from lasers.

    Sorry, pet peeve of mine.

    ...Mike
    Runs with Lasers

  4. #4
    Join Date
    Sep 2008
    Location
    Rocklea Brisbane , QLD, Australia
    Posts
    274

    Default

    Excellent - thanks for the info, i will take some readings and see how to proceed from there as far ass ID'ing a suitable driver

  5. #5
    Join Date
    Sep 2008
    Location
    Rocklea Brisbane , QLD, Australia
    Posts
    274

    Default

    Quote Originally Posted by clickamouse View Post
    "the lumina side of things"
    No. Lumia.
    Lumina is a Chevy.
    Lumia is from lasers.

    Sorry, pet peeve of mine.

    ...Mike
    I stand corrected, thanks for the info.

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