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VRf-HPE1300_Problems

Question asked by VRFuser on Mar 11, 1997

>
>> I apply HP VEE 3.2 to control HP75000 system. I make a non-stop
>> measure (in loop) from two multiplexer cards: HP1345 and HP1347
>> (5 channels from first card as 4-wire resistance and 5 channels
>> from second as DC voltage measurement). According to this,
>> I have to run HP1326 standard driver twice in each loop. Unfortunately,
>> program stops very often (each time after different #of loops made)
>> on second run of HP1326 driver (in the same loop).
>

>Please explain what you mean by "stop":
>
> % Does it time out?

Yes. The error number is 811.
As I worte before the first process was 4-wire resistance.
Looking for the bug I switched processes, starting with DC voltage measurement.
This time time out was at the first one. Again it appears after a random
time (# of loops).
Maybe it is a problem with DC voltage measurement configuration in HP1326
driver?


> % Does the program hang and lock up?
>
> % Does the program simply run through a few loops and then move on to the
>   rest of the program (the question here would be the termination conditions
>   for the loop in your program)?

Both drivers' calls are subequently and on "ON CYCLE". In my case every 2
seconds.
         _____________
        |             | 
        |  on cycle   |---------             
        |_____________|         |
                                |
                                |
                  --------------|------------
                  |    user object          |
                  |      ______________     |     _______________
                  |      |             |    |     |              |
                  |      |  HP1326     |----|-----|              |
                  |      | 4wire resist|    |     |              |
                  |      |_____________|    |     | measurement  |
                  |              |          |     | results      |
                  |      ________|_____     |     | processed in |
                  |      |             |    |     | further parts|
                  |      |  HP1326l    |----|-----| of programm  |
                  |      | DC VOLTAGE  |    |     |              |             
                  |      |_____________|    |     |______________|
                  |________________________ |   



greetings,
Jacek

-----------------------------------------
* Jacek Hendiger                        *
* Warsaw University of Technology       *
* Institute of Heating and Ventilation  *
* PL-00-653 Warsaw, Poland              *
* Nowowiejska 20                        *
* e-mail: hendiger@hetman.iis.pw.edu.pl *
-----------------------------------------


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