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SFC14

Created by: lad_stl at: 7/11/2014 11:56 AM (3 Replies)

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7/11/2014 11:56 AM	Rate (0)
lad_stl Posts: 101 Rating: (0)	hi all, good day i want to know how "sfc14" that reads consistent DP data of DP slave knows the length of the data to be read(source data). thanks ............................................. mohamed elokby
lad_stl Posts: 101 Rating: (0)
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7/11/2014 2:22 PM	Rate (1)
Hulzhex Gold Member Joined: 8/25/2005 Last visit: 5/25/2023 Posts: 1161 Rating: (110)	Hello mohamed elokby, within the hardware configuration you have to define the modules of the DP-Slave. Exact this information is necessary for the SFC. Consistend Data with the size of 1, 2 or 4 byte should be read / write via a direct access without the SFC's. Best regards Sabine

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7/12/2014 5:00 PM	Rate (0)
lad_stl Posts: 101 Rating: (0)	thank you hulzhex for your attention but you be more thanked if you put more illustration. i know how the slave is configured in hardware conf. thanks
lad_stl Posts: 101 Rating: (0)
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7/12/2014 5:13 PM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 4/21/2023 Posts: 4617 Rating: (700)	lad_stl thank you hulzhex for your attention but you be more thanked if you put more illustration. i know how the slave is configured in hardware conf. thanks Hellolad_stl, Have you already seen this: http://support.automation.siemens.com/WW/llisapi.dll/21848242?func=ll&objId=28755495&objAction=csView&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW&load=treecontent

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