Re: [foxboro] FoxAPI


I am accessing the data via DDE from excel by putting a formula as below:

=iaserver|objectaccess!'AW510B/COMPOUND:AIN.PNT'

And I am only accessing AIN/PIDA blocks and three parameters namely PNT,
MEAS & OUT. Also very few CALCA's.

My past experience regarding defining wrong COMPOUND:BLOCK is that Data For
Windows returns a zero, while foxapi.log logs a error pertaining to that
particular tag.

Also funny thing is it was working till a few days back.


Thanks & Regards


Ajay Tathgir




Winston Jenks <winston@xxxxxxxxxxxxxxxx>@freelists.org on 13-11-2002
03:46:21 PM

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Subject:    Re: [foxboro] FoxAPI



At 03:02 PM 11/13/02 +0530, you wrote:


>Since last couple of days I have been getting a error message in
foxapi.log
>file which reads as below.
>
>ERR ************* Wed Nov 13 14:01:17 2002 1876 FoxAPI (used_by_other_pkg)
>omread error=-5 list=0
>ERR ************* Wed Nov 13 14:01:17 2002 1876 FoxAPI (used_by_other_pkg)
>omread error=-5 list=1
The om error code -5 means /* Unaccessible change driven var.    */
My guess is, you are probably trying to read a variable which is not
connectable.  I am not sure how you find out which variable that is.  Maybe
there is SOM utility [ed. ouch!] that will tell you?
Winston Jenks
Technical Director, Cape Software, Inc.




 
 
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