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IndustryArena Forum > Machine Controllers Software and Solutions > HEIDENHAIN > HEIDENHAIN -> TNC > Heidenhain TNC 151 / 155 Versions A/B/Q differences and compatibility

Thread: Heidenhain TNC 151 / 155 Versions A/B/Q differences and compatibility

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  1. 07-08-2020, 06:56 PM #1
    Bmac25
    Bmac25 is offline
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    Oct 2018
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    Heidenhain TNC 151 / 155 Versions A/B/Q differences and compatibility

    I have a Bridgeport interact 1 with a tnc 151. It came with a tnc 151 A manual so I assume that is what I have (it has a rs232 port if that helps)

    How can I tell which version I have?

    The power supply went bad in the control. When looking for a replacement I came across a tnc 155Q for sale.

    My understanding is that the difference between the 151 & 155 is just the graphics?
    What are the differences between the versions?? Would I be able to switch the 155Q for mine??

    At the very least would they use the same power supply?

    All help welcome.
    Thank you
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  2. 08-28-2020, 09:10 AM #2
    Jukka Honkanen
    Jukka Honkanen is offline Member
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    Nov 2008
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    69

    Re: Heidenhain TNC 151 / 155 Versions A/B/Q differences and compatibility

    The A/B has the PLC inside the control. The versions P/Q has the external PLC.
    Manuals you can find here: https://www.heidenhain.de/de_EN/software/
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