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S120 : Telegram extension <-> supplementary data

11/27/2016 1:29 PM	Rate (0)
DavidBrown Posts: 975 Rating: (9)	If you want to extend the communication to the drive with extra data, if you have selected a Siemens telegram (f.I. 352) you can choose between 'add telegram extension' and 'add supplementary data'. What is exactly the difference between these two choises? When should you use what?
DavidBrown Posts: 975 Rating: (9)
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6/12/2019 1:21 PM	Rate (0)
Yu-wen Tang Silver Member Joined: 10/7/2009 Last visit: 12/2/2025 Posts: 266 Rating: (96)	Hi, In my opinion, after some tests: Telegram extension is for Standard Telegram. Supplementary data is for Free Telegram (999). But. both can be freely interconnected with BICO or assign telegram by using p8864. It seems that there is no difference between them; both work as same. Best regards, Yu-Wen Attachment Telegram_Data.PNG (688 Downloads)

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6/12/2019 1:40 PM	Rate (4)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 1/21/2026 Posts: 22829 Rating: (3074)	telegram extension expand thje input/output length of the telegram slot supplementary data create a new I/O subslot supplementary data only possible with PN Devices, profibus can only be telegram extension regards christoph

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This contribution was helpful to 3 thankful Users Yu-wen Tang 0_Einstein saquete12

6/13/2019 3:59 AM	Rate (0)
Yu-wen Tang Silver Member Joined: 10/7/2009 Last visit: 12/2/2025 Posts: 266 Rating: (96)	Dear Christoph, You are right. Thank you very much for the clarification. Best regards, Yu-Wen

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