Re: [CAD_CAM_EDM_DRO] resistor to test stepper pulses
Posted by
JanRwl@A...
on 2004-02-12 17:34:18 UTC
In a message dated 2/12/2004 7:37:07 AM Central Standard Time,
karltownsend@... writes:
It occurs to me that I'll need a resistor to ground at the end of
the wire to check for the TTL signal with nothing attached. Correct?
Carl: No, better would be a 1K resistor to +5. TTL can better "sink" to
ground than "source" 5 mA. (However, 74HC... can source OR sink just fine!
Jan Rowland
[Non-text portions of this message have been removed]
karltownsend@... writes:
It occurs to me that I'll need a resistor to ground at the end of
the wire to check for the TTL signal with nothing attached. Correct?
Carl: No, better would be a 1K resistor to +5. TTL can better "sink" to
ground than "source" 5 mA. (However, 74HC... can source OR sink just fine!
Jan Rowland
[Non-text portions of this message have been removed]
Discussion Thread
karl_l_townsend
2004-02-12 05:34:58 UTC
resistor to test stepper pulses
caudlet
2004-02-12 07:09:48 UTC
Re: resistor to test stepper pulses
Jeff Lionberger
2004-02-12 09:04:26 UTC
Question about VM 4 and Mach2
Robert Campbell
2004-02-12 09:41:15 UTC
Re: [CAD_CAM_EDM_DRO] Question about VM 4 and Mach2
tig415
2004-02-12 09:59:36 UTC
Re: Question about VM 4 and Mach2
JanRwl@A...
2004-02-12 17:34:18 UTC
Re: [CAD_CAM_EDM_DRO] resistor to test stepper pulses