2/19/2020 8:01 AM | |
Joined: 11/24/2016 Last visit: 4/25/2024 Posts: 99 Rating: (4) |
Hello Mark1507, Thank you for your response. The redundant AS CPU that I will be using will have a System Expansion Card of 1000PO Each. I read somewhere that Process Objects on my AS should be less than the Process Objects on my OS or vice versa. Can you please verify that? Also do I need 6ES7650-1CD58-2YB5SIMATIC PCS 7, software, BCE V9.0 in my project or not? Best Regards |
2/19/2020 8:40 AM | |
Joined: 5/3/2017 Last visit: 5/21/2024 Posts: 673 Rating: (217) |
Hello Asad99, how many AS PO und OS PO you need is explained in the FAQ How are the licenses for the AS and OS counted in PCS 7. And a good document which help you to design your PCS 7 hardware incl. license is the manual SIMATIC PCS 7 Standard Architectures (V9.0). With regards |
Last edited by: Heisenberg2 at: 02/19/2020 08:41:13 |
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2/19/2020 12:38 PM | |
Joined: 5/3/2017 Last visit: 5/21/2024 Posts: 673 Rating: (217) |
Hi Asad99, there are two ways to display data from other AS-Station. You can use the functions "PUT" and "GET" or "BSEND" and "BRCV" to send/receive data from a AS-Station. More Information about PUT/GET and BSEND/BRCV you can find in the manual SIMATIC System Software for S7-300/400 System and Standard Functions. And under follow link you can find several application example to exchange data between two AS-Station with PUT/GET. With regards |
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2/19/2020 7:45 PM | |
Joined: 6/23/2008 Last visit: 10/17/2024 Posts: 1168 Rating: (282)
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Hello Asad99
It may be that your OS needs a little bit less PO than the total amount needed for all AS. But this also depends on the software objects in your AS.and can not be said in general. From my point of view it's not so relevant, because in relation to the total costs it's "peanuts" to maybe save a "100 OS PO" package. If you have difficulties to estimate the amount of POs needed in advance, you could do the following: Just buy all license except the PO licenses. When your engineering comes to the end look at the license information in your project and purchase the really needed amount of PO licenses. You can test everthing without PO licenses. Just anoying license information will occur without propper amount of PO licenses.
This is the reason why I said "I will assume that you purchase the PC hardware from Siemens from the PCS7 section in the mall." To be more specific:
Are you sure? I have 240 byte in my mind Best regards... |
"Expert" does not necessarily mean Siemens employee. Please cross-check your requirements always with official Siemens documentation. Also "Experts" are pleased about feedback. Please don't send support requests as PM. Questioners who don't follow up their thread will be put to my list of users to be ignored. |
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2/20/2020 7:27 AM | |
Joined: 5/3/2017 Last visit: 5/21/2024 Posts: 673 Rating: (217) |
Hi mark1507,
The max. data block size is 240 Byte. But you have to consider, that the CPU need some bytes for the length and address. And so in the worst case scenario (CPU 300 with a CP) you can send and get 160 Byte.
With regards |
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