If the goal is one connector to a different connector but with varying pinouts this is what I used to mirror either Bergerda AC Servo or my Harmonic Drive to the two RJ connectors for the STMBL Servo controller. Or any other AC/DC Servo with non-standard DB-25 pinout.
Wired straight through for default. Cut traces between the headers on the bottom of the board for pins to change. Use jumpers or wire wrap a different pinout. Or put jumpers in to return to stock in the places where traces were cut. John > -----Original Message----- > From: Charles Steinkuehler [mailto:char...@steinkuehler.net] > Sent: July-13-22 4:45 AM > To: andy pugh > Cc: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Matrix Wiring > > On 7/12/2022 5:53 PM, andy pugh wrote: > > On Tue, 12 Jul 2022 at 19:49, Charles Steinkuehler > > <char...@steinkuehler.net> wrote: > > > >> Look for "pass through sockets". These allow a pin header to insert and > >> pass through a connector, allowing you to "stack" multiple connectors on > >> the same pin (assuming the pin is long enough). > > > > These might work: > > https://uk.rs-online.com/web/p/pcb-sockets/6737418 > > > > But then I am still looking at needing 30 of them costing �75 or so. > > For a cheap/simple solution, just re-frame the problem slightly. > > Use dual-row headers, one for each column (or row). Wire one side of > the header pins to the rows and the other side to the columns. Use > standard shorting jumpers to make the row/column connections you need. > > So for a 4x4 array (A-D, 1-4) your PCB would look like the following > (each character is an 0.025" pin): > > A1 A2 A3 A4 > B1 B2 B3 B4 > C1 C2 C3 C4 > D1 D2 D3 D4 > > -- > Charles Steinkuehler > char...@steinkuehler.net > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
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