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  1. #1
    Join Date
    Dec 2005
    Posts
    6

    Allen Bradley 8400 Crt question

    A friend gave me a 8420 MRS CNC controler. The problem is that it is missing the monitor.
    Is there a way to connect a regular crt monitor to it?

    What are the crt pinouts for the controller?

    I need to find out if it works before putting money into it.
    If you have any other documentation on these controlers, it would be helpful

    If I wanted to sell it, how much is it worth?
    It also has Glentek servo drives.

    Thank you
    Kent Kenison

  2. #2
    Join Date
    Apr 2006
    Posts
    25
    You can get refurbish ones on the Web, but it will cost you around $2,000.00. I have the same control and I too is trying to somehow connect a monitor to it but did not have success. My monitor broke so it's at the TV repair shop, I hope they can fix it. Good luck to you. On the other hand, I just got my machine a couple of weeks ago. Does your friend or you know how to operate this control. I have the manual but not very clear. If you can help me or know of someone who can, I would greatly appreciate it. Thanks.

  3. #3
    Join Date
    Dec 2005
    Posts
    6
    We were able to hook a monitor to it, the only problem is that the display is the wrong resulution, so it wraps around.
    If you could give me more details on your problem, and mabe a copy of the manual i should be able to find you an answer.

    Good luck
    Kent

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