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USM II Transmitter, Flow Comunication

Created by: Import-User-1 at: 8/29/2005 3:56 PM (3 Replies)

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8/29/2005 3:56 PM	Rate (0)
Import-User-1 Posts: 3609 Rating: (29)	Hi, i want access Profibus DP MAG6000 using SFC 14, but is not clear for me quantity of byte that i have to read
Import-User-1 Posts: 3609 Rating: (29)
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8/29/2005 3:56 PM	Rate (0)
Import-User-2 Silver Member Joined: 8/10/2005 Last visit: 4/9/2024 Posts: 1486 Rating: (32)	the user determinate self which parameter will be configured and how many bytes will be transmitted. In roperties of this transmitter is ossible to read the number of bytes for example parameter "volumeflow" have id. 148 ,it's 5 bytes inputs.

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8/29/2005 3:57 PM	Rate (0)
Import-User-1 Posts: 3609 Rating: (29)	Thank a lot, now i cant configure de batch control, Where i find step by estep procedure
Import-User-1 Posts: 3609 Rating: (29)
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8/29/2005 3:57 PM	Rate (0)
Import-User-2 Silver Member Joined: 8/10/2005 Last visit: 4/9/2024 Posts: 1486 Rating: (32)	Question: Hi, i want access Profibus DP MAG6000 using SFC 14, but is not clear for me quantity of byte that i have to read. Answer: - Please use the extensive on-line help. Marking FC and pushing F1. - These modules you can find in the Standardlibrary : S7-Manager > File > open > > Librarys > Standard library > System Function Blocks In example below yu read 20 bytes and transfer to DB1 beginning by by 0.0: Read consistent slave data CALL SFC 14 ( LADDR := W#16#100, // Corresponds to the decimal slave I/O address of the input area - here: 256 RECORD := P#DB1.DBX0.0 Byte 20, RET_VAL := MW0 ); Write consistent slave data CALL SFC 15 ( LADDR := W#16#110, // Corresponds to the decimal slave I/O address of the output area - here: 272 RECORD := P#DB1.DBX20.0 Byte 20, RET_VAL := MW2 );

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