Hi,
If you have an TS-7260 or TS-7300 with the XDIO capability you can
read a either one (7260) or two (7300) quadrature (A,B,I) channels.
Technologic systems produced a custom TS-7300 FPGA load for me that
implements a four channel quadrature input with automated triggering
and FIFO capture, to which I added an isolated interface on the FPGA
header. This allows me to caputure the speed/position of four servo
motors simultaneously.
Another option - if you don't have one of the above cards - would be
to add a quadrature decoder IC via one of the expansion busses.
I've not looked at the base TS-7200 interface to see if the core CPU
has any capture capability as there would have been insufficient
channels for my application.
Regards,
PJE
--- In "chan8337" <> wrote:
>
> HI experts out there,
> From what i have known the ts-7200 dont have input capture
capability
> which is a common function for every microcontroller. Anyone has
> suggestions? I need to calculate the square pulse from a motor to
> determine it rotation speed.
>
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