On Fri, 2008-04-25 at 11:47 -0400, John Kasunich wrote: ... snip > That HAL component makes the charge pump signal. I think Kirk is > looking for the real circuit that uses the charge pump signal to turn on > a relay.
Thats correct. > I built one for my Shoptask, unfortunately I think I just drew the > circuit on a piece of paper and don't have it in electronic form. > > It is on the board described in this blog posting (the board also > contains two relays with drivers and three optically isolated digital > inputs): > http://jmkasunich.com/cgi-bin/blosxom/shoptask/breakout-board-12-19-07.html > > If I remember when I get home I'll try to draw up a little schematic for > a charge pump and post it. > > Regards, > > John Kasunich Thanks John. If the the 7414 does the whatchdog sensing, I could probably reverse engineer your pictures. -- Kirk Wallace (California, USA http://www.wallacecompany.com/machine_shop/ Hardinge HNC/EMC CNC lathe, Bridgeport mill conversion, doing XY now, Zubal lathe conversion pending Craftsman AA 109 restoration Shizuoka ST-N/EMC CNC) ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
