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TB Interlock on PXI-2566 documentation
RichMyers
Member
02-08-2009 07:25 PM
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Maybe I'm just not seeing it. But I cannot find any information on the "TB Interlock" signal that the NI Switch help file shows is on pin 62 of the NI-2566 switch.
I assume that the "TB" translates to Terminal Block. And I know what interlock switches are used for. But I would like to find some type of documentation on what I can/might/should do with this signal.
chericks1
Active Participant
02-09-2009 09:06 AM - edited 02-09-2009 09:06 AM
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Hi Rich,
You are correct. There is no information on the TB Interlock signal. I'll create a KnowledgeBase to prevent any confusion in the future. I apologize for the inconvenience.
TB Interlock is indeed a terminal block line, designed in as a safety feature. If a terminal block is attached, then the line is pulled low. We do not currently use the feature; it is available for future use.
Note: The TB_Interlock line is pulled up on the PXI motherboard with a 20k resistor.
Hope this helps!
Chad Erickson
Switch Product Support Engineer
NI - USA
Message Edited by Chad PSE on 02-09-2009 09:06 AM
