Kirk Wallace wrote:
but I used the paradigm of a switch closure at the time I did the
installation, after giving it more thought and referring to:
http://pico-systems.com/images/univstep.png
it looks as if the inputs already go to an opto-isolator on the UPC
anyway. It may be that a
On Tue, 2012-01-24 at 12:26 -0600, Jon Elson wrote:
Kirk Wallace wrote:
but I used the paradigm of a switch closure at the time I did the
installation, after giving it more thought and referring to:
http://pico-systems.com/images/univstep.png
it looks as if the inputs already go to
Someone out there probably has worked this out. Hardinge uses home and
limit switches and the turret encoder that use a pullup to 12 Volts. The
UPC uses isolated 5 Volts for the input ports.
The big question is how did you interface these? Current limited
opto-isolators come to mind, small
On Mon, 2012-01-23 at 20:55 -0500, Ed wrote:
Someone out there probably has worked this out. Hardinge uses home and
limit switches and the turret encoder that use a pullup to 12 Volts. The
UPC uses isolated 5 Volts for the input ports.
The big question is how did you interface these?
