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This thing works! Drip feed is now possible.
Ran a large program thru own software, using the micro as translator.

Ok, everything is ready now. First test with the DIY interface did not work. I overlooked the ASCII chars must be converted to 7 bits + 1 parity bit for the D1-D8 so the NC can understand it.
I also...

To Dan Fritz,
could you send me the wiring of the parallel cable?

barch, wich one signal from the 50 pin cable use you to listen from the NC to hold/send data (as your 10th wire)...?


I will use the next pins:




IDC# NCconn Function
1 ...

Ok, I'm decided to build the interface.

Have dismounted the tape reader, in my case is a A13B-0070-B001 unit, and have in the workbench.
Noticed it have the PCB A20B-0007-0750/078

I'm...

That's what I was wondering about know when the NC is ready for more data...
My plan was to check the schematic at home, but glad you xplained here.
Thank you!

bar, thank you for the information. Yes I saw the 8 bit likely driving lines, not aware of the 9th pin. Also, good to know you use a lookup table. I saw the characters table on the manual.
I think I...

could you share your work...?
I need to build something alike to drip feed to my Fanuc 6M