No stepper movement

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14 Mar 2021 02:24 #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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16 Mar 2021 22:16 #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)

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16 Mar 2021 22:23 #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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17 Mar 2021 00:29 #202550 by andypugh
Replied by andypugh 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


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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18 Mar 2021 00:54 #202686 by 85422776
Replied by 85422776 on topic No stepper movement
thank you a lot

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