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about data record

Created by: Dragonarsty at: 6/16/2009 7:51 AM (1 Replies)

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6/16/2009 7:51 AM	Rate (0)
Dragonarsty Advanced Member Joined: 5/6/2008 Last visit: 12/26/2024 Posts: 57 Rating: (2)	Dear all: SFC55\SFC58\SFB52 all can write data record,what different between them? and i need some reference about data record. Thanks a lot!
	Last edited by: Dragonarsty at: 6/16/2009 9:58 AM
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6/17/2009 9:36 PM	Rate (1)
jklm Platinum Member Joined: 12/22/2006 Last visit: 1/25/2022 Posts: 1742 Rating: (309)	Hello, The reference manaul of the system functions is here: http://support.automation.siemens.com/WW/view/en/1214574 SFC55 is restricted to records changing dynamic parameters Some SFC do not support new Profinet features. See p19 of this manual: "From Profibus DP to Profinet IO http://support.automation.siemens.com/WW/view/en/19289930 SFC 58/59 (write/read record in I/O) Replaced by: SFB53/52 SFC55 (write dynamic parameters) Emulate using SFB53 I hope it is clear. Best is always to use the latest SFB/SFCs. They support Profibus and Profinet as well.
	Best regards jklm Suggestion was helpful? Feel free to rate it.
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