3/17/2017 11:38 AM | |
Joined: 7/9/2015 Last visit: 9/24/2024 Posts: 3943 Rating: (586) |
Hi Georgio, for S7-300/400 as DP Master you can use S7-Basiscommunication -with I_PUT/I_GET or S7-Communication with BSEND, BREV. With CP you can use AG_SEND_AG_RECV (FDL). Please check the following manual (i.E. Page 117/118): CPU-CPU Communication with SIMATIC ControllersRegards, Towome |
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This contribution was helpful to1 thankful Users |
3/17/2017 1:55 PM | |
Joined: 4/28/2015 Last visit: 2/7/2024 Posts: 10533 Rating: (820) |
Hello, what exact order number of S7-300 CPU (better with firmware)? |
With best regards... |
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3/17/2017 1:59 PM | |
Joined: 10/28/2008 Last visit: 7/21/2023 Posts: 245 Rating: (14) |
Hi, It is 6ES7 314-1AE03-0AB0 (The succesor is 6ES7 314-1AE04-0AB0). Thank you, Regards, Georgio |
Georgio |
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3/20/2017 10:14 AM | |
Joined: 1/21/2013 Last visit: 9/4/2024 Posts: 4620 Rating: (707) |
Hello Georgio, Have you already seen this: DP link between CPU 315-2DP (slave) and S7-400 (master) with ... DP link between CP 342-5 (slave) and S7-300/400 (master) with STEP ... What should you watch out for when configuring a ... - Siemens Support How to send more than 240 Bytes on CP 342-5? - Siemens Support |
Last edited by: Ste39 at: 3/20/2017 10:17:10 AMLast edited by: Ste39 at: 3/20/2017 10:22:05 AM |
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3/21/2017 12:16 PM | |
Joined: 1/21/2013 Last visit: 9/4/2024 Posts: 4620 Rating: (707) |
Dear Georgio, I use FDL connection but under 240 bytes, does not know if a multiple call works on the same channel (never tried), however, try to see below also an S7 connection, may be fine for you? FDL Protocol: http://support.automation.siemens.com/WW/view/en/26098556 S7 Protocol: http://support.automation.siemens.com/WW/view/en/26494206 Example: |
3/21/2017 12:43 PM | |
Joined: 1/21/2013 Last visit: 9/4/2024 Posts: 4620 Rating: (707) |
Hello Jiri, Have you already seen this: S7 Communication with BSEND/BRECEIVE via PROFIBUS CPs - ID ... Try to open the project and look how is connected there is also a project to Exchange data, for FDL i will investigate, if I'll find something i'll let you know |
3/21/2017 12:55 PM | |
Joined: 1/21/2013 Last visit: 9/4/2024 Posts: 4620 Rating: (707) |
Hello, info about FDL FDL Programming Interface - Siemens Support How do you program the communication blocks ... - Siemens Support |
3/21/2017 1:05 PM | |
Joined: 10/28/2008 Last visit: 7/21/2023 Posts: 245 Rating: (14) |
Hello Ste39, Thank you for the link - this is very interesting, how to transfer larger amount of data - but still it is S7 connection (BSend/BReceive via CPs). Thank you. Regards, Jiri |
Georgio |
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3/21/2017 1:09 PM | |
Joined: 10/28/2008 Last visit: 7/21/2023 Posts: 245 Rating: (14) |
Hello Ste39, I can see FDL in the table for my CP. Please see attached picture. There is no particular information about number of connections, I hope that it is possible to have them more than 1 connections.. Thank you. Regards, Jiri |
Georgio |
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3/21/2017 6:16 PM | |
Joined: 1/21/2013 Last visit: 9/4/2024 Posts: 4620 Rating: (707) |
Hello, I don't think that you can to have more than 1 connection with 1 CP eg. 1 CP=1 connection. You should find the method of moving the data block to have two separate blocks eg. the first 236 bytes and another (I do not know what is missing to you) and call the first one then the other, and back to the first, you can surely, but I do not have ever done. |
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