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Problems with communication between CPUs s7-1200

11/11/2016 5:35 PM	Rate (0)
Thiago.Siembra Posts: 10 Rating: (0)	Hello, I'm having a project with 4 s7-1200 CPUs, and they need to exchange information with each other, I've always used Operation Mode to make that transfer, but using 2 CPUs My question: Is it possible to use this same Mode of Operation to make this type of Communication? Or do I need to use Get and Put? Thank you
Thiago.Siembra Posts: 10 Rating: (0)
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11/11/2016 6:26 PM	Rate (0)
syd_b Bronze Member Joined: 2/3/2011 Last visit: 2/6/2025 Posts: 348 Rating: (10)	Hi, what do you mean with Operation Mode? Here´s a link of the GET/PUT instructions Information https://support.industry.siemens.com/cs/document/65975617/how-do-you-program-the-get-and-put-instructions-in-the-user-program-of-the-simatic-s7-1200-cpu-in-order-to-transfer-more-than-160-bytes-of-data-?dti=0&dl=en&lc=de-WW Or TSEND_C/TRCV_C https://cache.industry.siemens.com/dl/files/808/67196808/att_108115/v1/net_s7-1200_isoontcp_en.pdf

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11/11/2016 7:17 PM	Rate (0)
DJ_1 Gold Member Joined: 2/27/2014 Last visit: 2/18/2025 Posts: 689 Rating: (201)	Hello, If you have already used I device communication between two CPU then add more two. You can make 1 as IO controller and other 3 as I device. Simple and real time communication . So you can exchange data among 4.
	With Best Regards, DJ TIA Portal - Your Gateway to automation in the Digital enterprise If you feel this post is useful then don't forget to rate it
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11/11/2016 7:20 PM	Rate (0)
Thiago.Siembra Posts: 10 Rating: (0)	In the newer versions there is a communication between the CPUs by the own network card, follow the picture below Attachment Capturar4.PNG (54 Downloads)
Thiago.Siembra Posts: 10 Rating: (0)
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11/14/2016 4:06 AM	Rate (0)
DJ_1 Gold Member Joined: 2/27/2014 Last visit: 2/18/2025 Posts: 689 Rating: (201)	Hello, Have you done the communication? or still problem is persistence. If yes, then what is problem now? else you can close the post as solved feedback.
	With Best Regards, DJ TIA Portal - Your Gateway to automation in the Digital enterprise If you feel this post is useful then don't forget to rate it
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