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No stepper movement
5 years 7 months ago #202184
by 9183jim
Replied by 9183jim on topic No stepper movement
Hi thanks for you help to date. I have tried different combinations and the ones you suggested and moved the card to a different slot. I have measured the voltage out of the bob and am not getting a feading at the pull - and direction - not sure if this is correct or not. I will try a different computer and cable next week to at least discount the computer or cable as the problem. I will let you know the outcome
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5 years 7 months ago #202526
by andypugh
Replied by andypugh on topic No stepper movement
Have you measured the voltage _in_ to the BoB?
(Note that you can probably only see the DIR pin with a mutlimeter, on either side)
(Note that you can probably only see the DIR pin with a mutlimeter, on either side)
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5 years 7 months ago #202529
by 9183jim
Replied by 9183jim on topic No stepper movement
Not but intend to check the voltage out of the parallel port and make sure i get a read at the end of the cable as well
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5 years 7 months ago #202550
by andypugh
Bear in mind that not all parallel port cables are fully-wired. Some have only enough wires inside to drive a printer.
Replied by andypugh on topic No stepper movement
9183jim wrote: Not but intend to check the voltage out of the parallel port and make sure i get a read at the end of the cable as well
Bear in mind that not all parallel port cables are fully-wired. Some have only enough wires inside to drive a printer.
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