SIMATIC S5 / STEP 5
S5 PLC OB13 interrupt time
Thread Starter: micron_761 Started: 9/16/2011 9:20 AM Replies: 4
9/16/2011, 9:20 AM
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Dear All,
How can i check the interrupt time of OB13 in my running S5 PLC 115u ?
Can I check it with Step5 software ? Please guide me.
Thanks & Regards,
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9/16/2011, 9:56 AM
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Hello micron_761
the call intervall for OB13 in a 115U is either declared in DB1 or set by writing to System Data word 97 (if neither is done, the default call intervall of 100ms applies).
Do a search for OB13 in the S5-115U Programmable Controller manual to find the various chapters that have more details on this.
If still unsure, you could also simply program an integer addition into OB13 (add 1 to a free Flag or Dataword), monitor the value for a certain time and determine this way the call rate of it.
I hope this helps
Cheers
fritz
The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited.
To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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9/16/2011, 10:42 AM
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Thanks fritz for your prompt reply,
=== Edited by micron_761 @ 9/21/2011 6:44 PM [GMT ] ===
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9/16/2011, 11:45 AM
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Hi micron_761
To evaluate the information contained in DB1, you better change display format to ASCII code.
Replace KF format by KC if using german language, KS if using english language.
Kind regards
BV
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9/16/2011, 12:29 PM
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Thank you very much BeVee for guiding me. Now I understand the interrupt time.
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