[?]: Read a HART level instrument with 6ES7 331 7TB00 card

PLC_ITA · Post by **PLC_ITA** » Mon Mar 09, 2009 11:42 am

Hi friend, i need to read a level instrument whith 6es7 331 7tb00 card.

i need to read a analog value throught 4-20 Ma and another analog value via HART but i dont know how to do for the hart channel

I use a step 7 v5.4 ( not pcs7 )

thank you in advance

dsekulic · Post by **dsekulic** » Mon Mar 09, 2009 12:59 pm

Hi,

Look here and link on Entry ID: 1096709 (link is on the bottom of page)
http://support.automation.siemens.com/W ... n/19141245
Chapter 4 http://support.automation.siemens.com/W ... en/1096709
regards

PLC_ITA · Post by **PLC_ITA** » Sun Mar 22, 2009 11:11 am

Thank you Dsekulic for your help. I have rread the manual but i don't understand how and where i can write a command.

For example if i want to send a command #10 ( see page 195 ) where i write this parameter and where i read the response ?

thank you

dsekulic · Post by **dsekulic** » Sun Mar 22, 2009 5:25 pm

Hi,

try this manual. There you have example.
http://support.automation.siemens.com/W ... nload=true

regards