On Fri, 2008-11-28 at 07:26 -0800, Olusegun A. wrote:
> My Voltmeter computer interface is the parallelport and the pyvcp
> component that I loaded is "my-meter". 
> I like to ask 
> 1. Can this voltmeter be used to measure AC voltage up to 1000VAC
> 2.Can it also be used to measure DC voltage on another count,
>  
> If yes. Do I need step-down instrument transformers? Please give me a
> brief on how to go about it. I have a parallel port. I can actually
> link the Pyvcptp the parallel port input pins. What is the maximum
> voltage that the paralel port can handle
> 
> Olusegun Abode 
> +234 8037045535 
> Email:[EMAIL PROTECTED]

I am confused about how your voltmeter works. Do you have an ADC (analog
to digital converter) with an parallel port interface?

I did this:
http://www.wallacecompany.com/machine_shop/EMC2/serial_adc/

to get analog signals into EMC2. Are you doing something similar?
----------
Kirk
http://www.wallacecompany.com/machine_shop/



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