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Thread: Okuma lb15 - axis drive pin allocation

  1. #1
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    Question Okuma lb15 - axis drive pin allocation

    Hi everyone,
    I just got a lathe OKUMA LB15 with the following infos:
    1. Axis X/Z:
    - Motor: OKUMA BL-80E-20T
    - Motor Drive: OKUMA BLD-50A
    - [COLOR=#1B8EDE !important]Encoder[/COLOR]: OKUMA Absolute Encoder Type E (which uses GRAY code for position)
    2. Control system:
    - OKUMA 5000 OPUS CPU/IF RACK 9A
    - In the rack there is a SVPII-O card with a [COLOR=#1B8EDE !important]connector[/COLOR] CN-SO-5 that connects to both the Z axis motor drive and encoder ( for X axis its connector CN-SO-6 on the same SVPII-O card)

    The SVPII-O card right now is not working and i intend to replace the whole control system (OKUMA OPUS CPU/IF RACK) with another control system ([COLOR=#1B8EDE !important]SIEMENS[/COLOR]) but i need some infos:
    1. Motor Drive OKUMA BLD-50A is analog/digital? pin and wire allocation for it (20 pins)?
    2. SVPII-O card pin and wire allocation for CN-SO-5 / CN-SO-6?
    3. Pin and wire allocation for the OKUMA Absolute Encoder Type E?

    I did a lot of searching/googling but no vain, couldn't find any usable [COLOR=#1B8EDE !important]documents[/COLOR] (the best so far is a manual for OKUMA BLD II Drive which doesnt look similar to my BLD).
    I would be very grateful if anyone can give me some answers/infos for those questions (would be awesome if you can share with me any related docs/manuals)

  2. #2
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    Default Re: Okuma lb15 - axis drive pin allocation

    Okuma uses a proprietary serial data format for communication with BDU, BLD BL2D etc. I think it is not practical to use these drives with a PC based control. Far less cost to get the SVP board fixed.

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