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Posted by Emimec on June 22, 2008, 12:29 pm
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> My old Bridgeport MDI is controlled by a Heidenhain TNC145, last week we
> lost the picture on the monitor, so to cut a long story short, it was
> established that the problem is the TNC. I have a spare TNC145 controller,
> which came with a Bridgeport series 1 interact. I have fitted this to the
> MDI, and all works ok, sort off, ?
> The MDI TNC had 55 lines in the parameter list, the replacement must be
> newer, and possibly is a TNC145CS, it has more lines for the parameters.
> To
> resolve the missing line issue, I copied the remaining parameters from my
> Interact to the MDI. Seems to work ok, but the drives are very fast, and a
> bit rough sounding.
> My questions are:
> 1. Has anyone got the original parameters for an MDI, should be 55 lines I
> think.
>
> 2. Should there be different parameters when replacing the TNC145 with
> what
> is possibly a TNC145CS on an old MDI ? If so, anyone got them?
>
> 3. The failed MDI TNC145 would be a pain to fire up after power off, I had
> to switch the machine main power on and off, sometimes for 20 times to get
> the TNC to light up, and then eventually it lost video display. Any idea
> if
> this a fault with the power supply board, and how to rectify?
>
> Also posted on CNCzone
>
> Thanks
> Bob
Oh well, must be due to gremlins at BT, I can see this one !!
Thanks all for the advice/help
Bob
>
>
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> lost the picture on the monitor, so to cut a long story short, it was
> established that the problem is the TNC. I have a spare TNC145 controller,
> which came with a Bridgeport series 1 interact. I have fitted this to the
> MDI, and all works ok, sort off, ?
> The MDI TNC had 55 lines in the parameter list, the replacement must be
> newer, and possibly is a TNC145CS, it has more lines for the parameters.
> To
> resolve the missing line issue, I copied the remaining parameters from my
> Interact to the MDI. Seems to work ok, but the drives are very fast, and a
> bit rough sounding.
> My questions are:
> 1. Has anyone got the original parameters for an MDI, should be 55 lines I
> think.
>
> 2. Should there be different parameters when replacing the TNC145 with
> what
> is possibly a TNC145CS on an old MDI ? If so, anyone got them?
>
> 3. The failed MDI TNC145 would be a pain to fire up after power off, I had
> to switch the machine main power on and off, sometimes for 20 times to get
> the TNC to light up, and then eventually it lost video display. Any idea
> if
> this a fault with the power supply board, and how to rectify?
>
> Also posted on CNCzone
>
> Thanks
> Bob