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Do it have limit SFC58, SFC59 on one PLC 317 2PN/DP?
Created by: hoaild22@gmail.com at: 6/18/2013 9:25 AM (9 Replies)
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| 6/19/2013 7:19 AM | |
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Posts: 30 Rating:
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Hi , I think you are right, and it would have limit the number of SFC58/SFC59 running in one PLC scan time. the SFC58/SFC59 are accyclic communction functions base and you may not want to pull the data out from ALL slaves in one PLC scan cycle, as if so, the PLC scan time will significant long and also it may have a limit number of SFC calls as you posted here based on the technical facts of CPUs. In your 60 slaves case, you can program it up by pull ONE slave data ONLY on every PLC scan time, and rang check for the slave address. I wish it could help, otherwise let us know, we program it up for you.
Regards, |
| 6/20/2013 5:53 PM | |
Joined: 7/6/2010 Last visit: 2/24/2023 Posts: 84 Rating:
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DearSlave126 Thank you very much for your reply. I hope your team will write program call one slave at one time and help me upload as soon as possible because i am testing and commisioning at the side. Now i am vey very need your help. Thank you very very much
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| 6/20/2013 6:58 PM | |
Joined: 9/27/2006 Last visit: 6/8/2023 Posts: 12036 Rating:
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Hello mencaulong; Sorry I did not see this threa earlier, I replied in your original thread, showing a way to use DPV0 communications with a Sentron WL that would allow you to read your requested measurements, without resorting to DPV1 and data records. Here is the link: /tf/WW/en/Posts/93210#top Hope this helps, Daniel Chartier |
Last edited by: dchartier at: 6/20/2013 6:59 PM |
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| 6/21/2013 1:44 AM | |
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Posts: 30 Rating:
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Hi, Would dan's thread helped you out? with the type 3 strcuture, the binary statusyou can get by Move functioninstead of theSFCs, it actually more efficient, but itreally depends onwhat theinformation you required from the Data set DSNo. otherwise, let me know, I will do it up today. Cheers, |
| 6/23/2013 10:26 AM | |
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Posts: 30 Rating:
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Hi, As a basic approach to this functionfor Study Only, please have a look the attached for your information. FB100-ComTest Cheers, AttachmentFB100-ComTest SCL source.pdf (134 Downloads) |
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| 6/23/2013 10:27 AM | |
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Posts: 30 Rating:
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DB1-DatsSET 94
AttachmentDB1_3WL_DS94.pdf (120 Downloads) |
| 6/23/2013 10:28 AM | |
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Posts: 30 Rating:
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UDT1_DS94
AttachmentUDT1_DS94.pdf (86 Downloads) |
| 6/25/2013 6:37 PM | |
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Joined: 7/6/2010 Last visit: 2/24/2023 Posts: 84 Rating:
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HiSlave126 thank for your reply. Please attachment your program, i am very easy to understand when i see on software. Thank you thank you very much
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| 6/26/2013 6:05 AM | |
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Joined: 7/6/2010 Last visit: 2/24/2023 Posts: 84 Rating:
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HiSlave126 i want to get temperature of ACB via profibus so can this do? If can do that, i get via Cyclic data traffic or Data set? if is DS, what number DSxx i can get? thank you expert Slave126
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