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Measure CPU Usage

Created by: R. Bartels at: 3/22/2012 9:05 AM (5 Replies)

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3/22/2012 9:05 AM	Rate (0)
R. Bartels Posts: 2 Rating: (0)	Hello, Is there a way to measure the CPU Usage from a S7-318-2 CPU with STEP7 V5.1? Same question for a S7-417-4 CPU with STEP7 V5.1 Thank u in advance! best regard
R. Bartels Posts: 2 Rating: (0)
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3/22/2012 9:47 AM	Rate (0)
Cicero Gold Member Joined: 10/10/2005 Last visit: 3/16/2023 Posts: 1909 Rating: (132)	Hello, normely when you open your STEP 7 project with the CPU S7-318-2 you can see the sizes in bytes of the free assigned memory in the properties. Open by online modus the hardware configuration open the object properties (double click on the CPU and change to register "Memory". But I'm no sure whether this way is also in STEP 7 V5.1. With best regards Cicero

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3/22/2012 10:29 AM	Rate (0)
R. Bartels Posts: 2 Rating: (0)	Hi Cicero, Thanks for your reply, i'm not looking for the memory usage but the CPU Usage in %. For my project i need to upgrade to newer versions of the S7-300/S7-400 PLCs To determine wich CPU to choose i want to know how the current one is preforming now. Kind reguards
R. Bartels Posts: 2 Rating: (0)
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3/23/2012 2:38 PM	Rate (0)
Nikzitronik Posts: 150 Rating: (17)	Maybe checking the CPU cycle time is a performance indicator that can guide you to the required replacement CPU. regards
Nikzitronik Posts: 150 Rating: (17)
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3/23/2012 5:03 PM	Rate (0)
RugbyGuy Silver Member Joined: 1/15/2009 Last visit: 5/12/2023 Posts: 316 Rating: (40)	If you go to your program in SIMATIC Manager, right click on the Blocks folder, and select Properties, on the Blocks Tab, you will see how the usage.
	The best location for all PCS 7 content (manuals, guides, application notes, FAQs, and videos). https://support.industry.siemens.com/cs/ww/en/view/63481413
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3/23/2012 5:03 PM	Rate (0)
RugbyGuy Silver Member Joined: 1/15/2009 Last visit: 5/12/2023 Posts: 316 Rating: (40)	I apologize, it is not in percent.
	The best location for all PCS 7 content (manuals, guides, application notes, FAQs, and videos). https://support.industry.siemens.com/cs/ww/en/view/63481413
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