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CPU 1512 High Ping Time

Created by: Tech Ahmed at: 3/31/2023 11:50 AM (3 Replies)

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3/31/2023 11:50 AM	Rate (0)
Tech Ahmed Advanced Member Joined: 1/16/2012 Last visit: 6/30/2025 Posts: 127 Rating: (2)	Dear Experts I have a brand new CPU 6ES7 215-1AG40-0XB0 on my desk and observing some high response times when I am pinging it. Is it normal? It shouldn't be 1 ms or a max of 2 ms all the time. I have attached the snaps of ping windows and snap of IP addresses. Please share your experience. CPU 6ES7 215-1AG40-0XB0 Firmware version V4.0 TIA Portal V17 Best regards, Tech Ahmed Attachment Ping.zip (603 Downloads)
	Last edited by: Tech Ahmed at: 03/31/2023 11:51:21 Last edited by: Tech Ahmed at: 03/31/2023 11:51:58
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3/31/2023 3:15 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 9/12/2025 Posts: 16094 Rating: (2515)	Ping response from an s7-1200 is going to be slow unless you tune the communications to be more responsive than solving of the programmed logic. Tech Ahmed Dear Experts I have a brand new CPU 6ES7 215-1AG40-0XB0 on my desk and observing some high response times when I am pinging it. Is it normal? It shouldn't be 1 ms or a max of 2 ms all the time. I have attached the snaps of ping windows and snap of IP addresses. Please share your experience. CPU 6ES7 215-1AG40-0XB0 Firmware version V4.0 TIA Portal V17 Best regards, Tech Ahmed
	science guy
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4/7/2023 10:19 PM	Rate (0)
Tech Ahmed Advanced Member Joined: 1/16/2012 Last visit: 6/30/2025 Posts: 127 Rating: (2)	Hi Einstein What steps need to be considered to tune the communication to be more responsive? Currently, a small logic in one FC is executing in the CPU, and the ping response time is high. Please need your guidance on how we can tune communication to make the CPU more responsive. Best regards Tech Ahmed

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4/10/2023 2:26 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 9/12/2025 Posts: 16094 Rating: (2515)	Why are you expecting 1-2ms ping times? What is the PLC scan time on average? Max and Min? What is the PLC ping response time on average? Max and Min? You have a s7-1215, not S7-1512. An S7-1512 should be capable of 1-2ms ping response times, but not likely from an s7-1215 (in my experience). Tech Ahmed Hi Einstein What steps need to be considered to tune the communication to be more responsive? Currently, a small logic in one FC is executing in the CPU, and the ping response time is high. Please need your guidance on how we can tune communication to make the CPU more responsive. Best regards Tech Ahmed
	science guy
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