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IM 151-7 CPU VERY SLOW

Created by: KevinDias at: 11/21/2020 3:36 PM (6 Replies)

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11/21/2020 3:36 PM	Rate (0)
KevinDias Experienced Member Joined: 2/4/2018 Last visit: 8/27/2025 Posts: 57 Rating: (0)	Hi experts , I am unable to monitor any program variables, it is online but very slow. IM151-7 CPU 6ES7 151-7AA11-0AB0 PORT MPI/DP baudrate 1.5mbps (connected to CPU 318-2 Master) PORT DP baudrate 500 Kbps (connected to Plc SICK + HMI) use the PC Adapter USB A2 6GK1 671-0BA00-0AA0 can you help me? thx.
	Regards KD BR
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11/23/2020 11:23 AM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 9/4/2025 Posts: 4703 Rating: (509)	KevinDias Hi experts , I am unable to monitor any program variables, it is online but very slow. IM151-7 CPU 6ES7 151-7AA11-0AB0 PORT MPI/DP baudrate 1.5mbps (connected to CPU 318-2 Master) PORT DP baudrate 500 Kbps (connected to Plc SICK + HMI) use the PC Adapter USB A2 6GK1 671-0BA00-0AA0 can you help me? thx. Is there any errors in the PLC? Is the PLC cycle time high? That CPU only has one DP network onboard, without an additional CP. Where is your adapter connected to? What does the PC/PG interface TEST show you when you press it?

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11/23/2020 4:09 PM	Rate (0)
KevinDias Experienced Member Joined: 2/4/2018 Last visit: 8/27/2025 Posts: 57 Rating: (0)	Hello Hati, thank u for contact. No have Error in CPU. The cycle time is 3ms I have an insertable DP Master, i connected in both.
	Regards KD BR
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11/24/2020 9:42 AM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 9/4/2025 Posts: 4703 Rating: (509)	KevinDias Hello Hati, thank u for contact. No have Error in CPU. The cycle time is 3ms I have an insertable DP Master, i connected in both. You should be connected to the CPU directly. What does the PC/PG interface TEST show you when you press it? Do you have a VM? Does the VM instance have enough memory allocated to it and enough processor cores?
	Last edited by: Hati at: 11/24/2020 09:43:22
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11/26/2020 4:06 PM	Rate (0)
KevinDias Experienced Member Joined: 2/4/2018 Last visit: 8/27/2025 Posts: 57 Rating: (0)	Hello Hati , follow the test in attachment. I don't use VM. THX Attachment Capturar1.PNG (305 Downloads)
	Regards KD BR
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12/2/2020 12:07 PM	Rate (0)
mopS04 Platinum Expert Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating: (1058)	hi KevinDias, are there any other Communikation running on this module? You can try to increase the value of scan cycle load from communication: hope this helps, regards,
	FCK WAR! Be nice!
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12/25/2020 6:22 PM	Rate (0)
KevinDias Experienced Member Joined: 2/4/2018 Last visit: 8/27/2025 Posts: 57 Rating: (0)	Hello , not yet successful
	Regards KD BR
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