C4P momentary push-button

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lowrybt1
Posts: 135
Joined: Sun Mar 08, 2015 3:42 pm

C4P momentary push-button

Post by lowrybt1 » Thu Apr 25, 2019 11:49 pm

I broke the momentary push-button switch on my C4 (installed left of the keyboard) for resetting they machine. Should the replacement be configured for momentary circuit "on" or momentary "off" ?

Thanks, Tom
C4PDF w. 24K, 2 x 5.25 MPI B-51 drives
C1P RevB with fully-populated 610 board and A-13. Klyball D-13.
Spares: 600 Rev.D, 610 board, 540A, A-13 with homebuilt data separator, MPI B-51 logic board (w/o data sep module) and mechanicals

dave
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Joined: Tue Sep 09, 2008 5:24 am

Re: C4P momentary push-button

Post by dave » Fri Apr 26, 2019 7:43 am

You want an SPST normally open switch. The switch will close when you push it, and pull the RESET line low by connecting it to ground.

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