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SIMATIC S7-1200

S7-1200 and DATA LOG

Thread Starter: MarISG Started: 6/7/2012 12:54 PM Replies: 2

6/7/2012, 12:54 PM

MarISG

Joined 2/13/2012

Last visit: 12/21/2012

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Pegaia wrote:

Hi,

I attached here a very simple sample program with Data Logging.

As didactical propose, I just call the relative blocks and mount a Watch Table to the manual command. The block FB1 is used just to evaluate diagnose, it has no influence on the data log functions.

I suggest the follow sequence of commands in the Watch Table:
1 – Set a size for the data loggin: “Nr_Records”=10
2 – Create a File: “Cammand_Create”=1, and after “Cammand_Create”=0
3 – Give values for the logged variables, for example: “Data_Block_1”.Data.Int1 = 123; “Data_Block_1”.Data.real1=4,56;
4 – Write the open values to the File: “Cammand_Write”=1, and after “Cammand_Write”=0Repeat the steps 3 (with different values) and 4, so many times you wish
5 – Open the Internet Browser and give the Ethernet address of the PLC as Address (10.100.120.3).
6 – Browse in Data Logs, and click in Download Icon

Note: this sample program was made with STEP 7 V11 SP1 upd1.
SP1 for STEP 7 V11
http://support.automation.siemens.com/WW/view/en/51696778
Update1 for STEP 7 V11 SP1
http://support.automation.siemens.com/WW/view/en/52258326?Datakey=47071380
Attachment:

Data Logging.zip (1710 Downloads)

Thanks for the sample program.

I also had my share of problems though:

i noticed that if the number of records is above a certain number the log file is not created and there is no error code generated, in my case the maximum number was 5000 records.

has anybody encoutered this problem before?

Thanks and best

Mar_ISG

=== Edited by O_Moderator @ 6/11/2012 9:36 AM [GMT ] ===
new subject after splitting from Sample program: S7-1200 and DATA LOG

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6/12/2012, 4:47 PM

Gabriel de Ol...