6/20/2018 7:00 PM | |
Joined: 10/20/2015 Last visit: 9/5/2023 Posts: 94 Rating: (19) |
Hello 4Karlsen There is an example from Siemens. Just follow the link. I hope this helps you https://support.industry.siemens.com/cs/ww/en/view/109746315 |
Last edited by: Jen_Moderator at: 6/21/2018 9:37:11 AMOptimized link. |
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6/20/2018 7:05 PM | |
Joined: 12/18/2014 Last visit: 5/7/2024 Posts: 32988 Rating: (4076)
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How should that help? |
6/20/2018 7:26 PM | |
Joined: 10/20/2015 Last visit: 9/5/2023 Posts: 94 Rating: (19) |
Sorry guys. Ixo is right. I haven't read carefully. A cell phone answer. I'm on the road. |
6/20/2018 7:38 PM | |
Joined: 2/12/2016 Last visit: 1/8/2024 Posts: 69 Rating: (9) |
here is a example: https://support.industry.siemens.com/cs/ww/en/view/109746315 in the picture with table from adress holding register is read from pac3200 first line read holding register 2 but in manual for pac3200 describe first data in holding register 1 modbus is adress from 0 but siemens has an adress is from 1 |
Last edited by: Jen_Moderator at: 6/21/2018 9:38:38 AMOpzimized link. |
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6/20/2018 7:47 PM | |
Joined: 2/12/2016 Last visit: 1/8/2024 Posts: 69 Rating: (9) |
http://www.modbus.org/docs/Modbus_Application_Protocol_V1_1b.pdf see page 15. start adress 0x0000-0xFFFF frantaM AttachmentModbus_Application_Protocol_V1_1b.pdf (177 Downloads) |
Last edited by: Jen_Moderator at: 6/21/2018 9:42:02 AMAdded file as an attachment. |
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6/20/2018 7:52 PM | |
Joined: 12/18/2014 Last visit: 5/7/2024 Posts: 32988 Rating: (4076)
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Take a look at attachment.
AttachmentModbus Implementierungstabelle (Scorp).pdf (155 Downloads) |
6/20/2018 8:00 PM | |
Joined: 2/12/2016 Last visit: 1/8/2024 Posts: 69 Rating: (9) |
yes this is a problem when VW0 is maped as HR1 bus modbus start to 0 correctly would be vw0 = HR0 FrantaM |
6/20/2018 8:15 PM | |
Joined: 12/18/2014 Last visit: 5/7/2024 Posts: 32988 Rating: (4076)
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An excerpt from the online help. VW0 = HR1 AttachmentLOGO! 8 Soft Comfort Online-help 2017_11 V8.2 page 60.pdf (155 Downloads) |
6/20/2018 8:54 PM | |
Joined: 2/12/2016 Last visit: 1/8/2024 Posts: 69 Rating: (9) |
yes but all device thirty part use modbus starting from zero. only logo start from one |
6/20/2018 9:07 PM | |
Joined: 12/18/2014 Last visit: 5/7/2024 Posts: 32988 Rating: (4076)
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May be correct, but helps not by the LOGO!. And wehave to follow the rules for working with the LOGO!. |
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