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PROFINET IO troubles.

7/6/2023 11:04 AM	Rate (0)
Karri_R Advanced Member Joined: 6/7/2016 Last visit: 4/8/2025 Posts: 5 Rating: (0)	Hi, I struggling with the PROFInet connection to third party IO device. I'm using CPU315-2 DP (2AG10-0AB0, ver. 2.0) and CP343-1 (-1EX30-0XE0, ver. 3.0) together with SMC's EX600 pneumatic unit. HW is configured with following elements: - PROFINE IO system added - SMC's GSD-file installed - EX600 unit and some IO modules added to configuration HW configuration is saved and compiled and downloaded to the controller. The system is able to establish the connection (=all LEDs green) to the IO device. PLC program contains PNIO_SEND and PNIO_RECV. Both blocks execute without error (STATUS = 8180), but no data is transfered from the EX600. What I'm missing? I read following FAQ entries already: https://support.industry.siemens.com/cs/fi/en/view/26558253 https://support.industry.siemens.com/cs/fi/en/view/31764614 Please find attached screenshot. Attachment 001.png (368 Downloads)
	Last edited by: Jen_Moderator at: 07/07/2023 08:32:40 Links optimized.
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7/7/2023 6:55 AM	Rate (1)
Duris_I Diamond Expert Joined: 4/28/2015 Last visit: 11/27/2025 Posts: 10970 Rating: (844)	Hello, if I look at your screenshot I see one important thing - you have defined I/O slots with PI addresses in HW cfg but you exchange data via DB blocks. How you want have data processed when your DB blocks have not data? You need process data via that PI addresses or in case you want use your DB blocks as you have actually, you need copy data from PI areas to your expected DBs. Then data can be processed correctly but with some lost time due copy procedure what can be not expected here, logically. It's your choice...
	With best regards... Ivan Duris Flight: OMICO
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This contribution was helpful to 1 thankful Users Karri_R

7/7/2023 11:07 AM	Rate (0)
Karri_R Advanced Member Joined: 6/7/2016 Last visit: 4/8/2025 Posts: 5 Rating: (0)	Yeah, I copied parameters from FAQs but didn't think what those do. I made following changes and now everything work: SEND = P#Q 0.0 BYTE 6 RECV = P#I 0.0 BYTE 6 Thank you Duris_I!

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This contribution was helpful to 1 thankful Users Duris_I

7/7/2023 11:10 AM	Rate (0)
Duris_I Diamond Expert Joined: 4/28/2015 Last visit: 11/27/2025 Posts: 10970 Rating: (844)	Hello, yes that pointers to I/O areas are that effect. You're welcome...
	With best regards... Ivan Duris Flight: OMICO
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