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visa serial wrtie

visa serial wrtie

‎04-23-2014 12:20 PM

HI, I want to write to VISA serial write only 1byte ( exmple 1) . BUt with this program i am gettting  1111111 continuesly.

 

Bcoz if i send '1' send microcontroler the realy will be on. if send '2' realy will off

 

i am putting while loop to change values like '1'  '2' '3' '4'

 

i want to send  '1' one time only. 

 

Can any one Help????????

 

I need a VI which can send '1' '2' '3' '4' based on slection to RS 233 COM port only one time not continuosly.

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