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vrf Amplicon PC30 Counter application

Question asked by VRFuser on Oct 23, 2003
Latest reply on Oct 23, 2003 by VRFuser

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Thanks Mike,

I will have to look at the downloaded .vee examples from Amplicon. But i suspect I will needa 'C' routine because I basically need to log the encoder for several seconds and measure the number of 1Mhz clock puses between 'lines' of the encoder, storing each successive count into RAM. the data file can then be analysed using Vee looking for abnormalities in the results and issuing a Word document test report. I can do the Vee bit easily, it is the C routine I may have some trouble with. i was hoping someone may ahve ahd some C code for taht card taht i could try to modify, to 'jump start, my project.

Thanks for taht info on ActiveX you just posted. i am sure I have had similar experiences with customers PC's.

Best regards and tahnks again,

Ashley

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VRFuser Oct 21, 2003 5:51 PM
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Hi,

I have a few Amplicon PC30AT ISA cards and I wish to use them in a test rig to continuosly count the number of clock puses between successive pulses of an encoder at the maximum onboard clock frequency of 1Mhz and store the readings in memory in real time, so that I can examine the data in spreadsheet format by loading the data into excel, after the test has run. Does anyone have experience of using this card for an appliaction like this. the card uses an 8253 counter IC.

I have the latest Vee applications for the card but I suspect the counting of the 1mHz pulses will require a 'C' routine.

Regards,

Ashley

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VRFuser Oct 21, 2003 5:51 PM
Mark Correct
Correct Answer

Hi,

I have a few Amplicon PC30AT ISA cards and I wish to use them in a test rig to continuosly count the number of clock puses between successive pulses of an encoder at the maximum onboard clock frequency of 1Mhz and store the readings in memory in real time, so that I can examine the data in spreadsheet format by loading the data into excel, after the test has run. Does anyone have experience of using this card for an appliaction like this. the card uses an 8253 counter IC.

I have the latest Vee applications for the card but I suspect the counting of the 1mHz pulses will require a 'C' routine.

Regards,

Ashley

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VRFuser Oct 21, 2003 7:42 PM
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Hi Ashley,
I have not used this specific card, but I have used others with
the 'Ampdio' library and VEE; it's normally pretty straightforward. I
would presume that you are not intending accessing the card every
microsecond but instead just wish to retrieve the count every so often. I
would think it would be easy to do using VEE and the provided library. I
saw a Timer_demo VEE program which just uses the usual register/unregister
card funtions and TCxxx functions to deal with the timer-counter. I think
you need to set up two CTs, one to provide a pulse for the gate time and
one or two to do the actual count ( depending on the number of bits you
want to count in ).

Hope that helps,

Mike Watts

Message text written by INTERNET:ASHLEYDER@aol.com
>

Hi,

I have a few Amplicon PC30AT ISA cards and I wish to use them in a test rig
to continuosly count the number of clock puses between successive pulses of
an encoder at the maximum onboard clock frequency of 1Mhz and store the
readings in memory in real time, so that I can examine the data in
spreadsheet format by loading the data into excel, after the test has run.
Does anyone have experience of using this card for an appliaction like
this. the card uses an 8253 counter IC.

I have the latest Vee applications for the card but I suspect the counting
of the 1mHz pulses will require a 'C' routine.

Regards,

Ashley <

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VRFuser Oct 21, 2003 7:42 PM
Mark Correct
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Hi Ashley,
I have not used this specific card, but I have used others with
the 'Ampdio' library and VEE; it's normally pretty straightforward. I
would presume that you are not intending accessing the card every
microsecond but instead just wish to retrieve the count every so often. I
would think it would be easy to do using VEE and the provided library. I
saw a Timer_demo VEE program which just uses the usual register/unregister
card funtions and TCxxx functions to deal with the timer-counter. I think
you need to set up two CTs, one to provide a pulse for the gate time and
one or two to do the actual count ( depending on the number of bits you
want to count in ).

Hope that helps,

Mike Watts

Message text written by INTERNET:ASHLEYDER@aol.com
>

Hi,

I have a few Amplicon PC30AT ISA cards and I wish to use them in a test rig
to continuosly count the number of clock puses between successive pulses of
an encoder at the maximum onboard clock frequency of 1Mhz and store the
readings in memory in real time, so that I can examine the data in
spreadsheet format by loading the data into excel, after the test has run.
Does anyone have experience of using this card for an appliaction like
this. the card uses an 8253 counter IC.

I have the latest Vee applications for the card but I suspect the counting
of the 1mHz pulses will require a 'C' routine.

Regards,

Ashley <

---
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VRFuser Oct 23, 2003 3:04 PM
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Thanks Mike,

I will have to look at the downloaded .vee examples from Amplicon. But i suspect I will needa 'C' routine because I basically need to log the encoder for several seconds and measure the number of 1Mhz clock puses between 'lines' of the encoder, storing each successive count into RAM. the data file can then be analysed using Vee looking for abnormalities in the results and issuing a Word document test report. I can do the Vee bit easily, it is the C routine I may have some trouble with. i was hoping someone may ahve ahd some C code for taht card taht i could try to modify, to 'jump start, my project.

Thanks for taht info on ActiveX you just posted. i am sure I have had similar experiences with customers PC's.

Best regards and tahnks again,

Ashley

---
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vrf Amplicon PC30 Counter application

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