Reply with QuoteHi John... This is my first job PCB
tomorrow I can open the box and I can make some more pictures.. Ok tell me if you need anything else!!!
Hi John... This is my first job PCB
Hi Cimitoka
you have been busy , the PCB's looking great !
must of only half read post 41 ,
I was expecting you to post a picture showing how much space you had around the breakout board
the PCB was a surprise
Did you decide how many inputs you are going to add?
John
Yes .. but now I'm not in the garage tomorrow I send all ... and if you tell me if you need anything else?
Inviato dal mio iPad utilizzando Tapatalk
if I have to disassemble it or not! and I'll show you all the cards that are in
Inviato dal mio iPad utilizzando Tapatalk
here's all the photos I took!!
Hi Cimitoka
if you had 1 1/2" (38 mm) more space between the breakout board and the stepper drivers
you could of moved the breakout board so the 25 way D-type socket on a Y cable
could be fastened to the rear panel
but with so little space between the stepper driver boards and the breakout board
I think I'd use an external adaptor to connect the limit switches
it will save having to move every thing inside of the control box closer to the front panel
what kind of limit switches are you going to use ?
mechanical micro switches or proximity switches eg HALL effect switches
the simplest adaptor could be a PCB with 4 resistors, a USB connector for a +5v supply
and a ribbon cable with 2 D-type connectors
I'll sketch a few ideas later
looking at the mains inlet I can't see any earth wire to bond the metal control box to earth !!
John
I have three types but they are pretty much the same
Hi Cimitoka
got it
you just need ground the input connections
I'll have a look through a few catalogues for the sizes various enclosures
may be like this
http://www.maplin.co.uk/p/25-way-d-t...ure-grey-jb03d
this looks promising
http://docs-europe.electrocomponents...6b80033956.pdf
John
No earth...
there is too much space...
I was able to do so much space what do you think?
hi Cimitoka
no earth picture
looks like the back of the E stop switch
your looking for 3 wires connected to the mains inlet like this one
John
Cimitoka
the back of the E stop switch there are only two wires.... Black and red!!
Cimitoka
The back of the E stop switch there are only two wires.... Black and red!!
Cimitoka
Hi Cimitoka
you have made more than enough space
if you mount the breakout board inside the box to free up the hole
to mount another 25 way D-type socket to connect to the PC printerport
that will work
I'll start on the diagrams
John
and if I buy one breakout board that has limitswitch ..?
Cimitoka
Hi Cimitoka
to buy a breakout board
you need to find one thats like the one you have but has the missing components fitted
most other breakout boards provide the logic connections you require
for example this C10 breakout board
the problem is your original board is unusual
it has the voltage regulator to drop the stepper driver supply
down to 5V for the breakout boards logic
so you will end up with 2 boards the B.O.B and a voltage regulator
John
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