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variant on s7-1200 problem

Created by: boazeventall at: 4/23/2012 10:00 AM (3 Replies)

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4/23/2012 10:00 AM	Rate (0)
boazeventall Posts: 131 Rating: (4)	i want to send to function any DB so i create an input var that call "source" and i set is data type to variant from the outside of the function i sended to "source"P#DB2.DBX0.0 INT 300 how can i set from "source" the information? i tryed to write this order: #test:=PEEK(area:=#source, dbNumber:=0, byteOffset:=2); but i tells me that #source as an error
boazeventall Posts: 131 Rating: (4)
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4/26/2012 12:54 PM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 12/11/2024 Posts: 4365 Rating: (1457)	Hi, If I right understood, you need to give as FC input parameters the information to be used in a PEEK/POKE command. Am I right? Do you have any restriction to split this information in parts, like stay in PEEK/POKE instruction? (i.e. to have 3 inputs variables instead of 1). In V5.x we had just the possibility to use ANY variables, but we should always to "build" the values inside. Now, in V11, the value is alread splited. It should be easly to work....
	Denilson Pegaia Siemens Industry Sector Technical Support
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This contribution was helpful to 1 thankful Users Gabriel de Oliveira

5/2/2012 3:38 PM	Rate (0)
Cicero Gold Member Joined: 10/10/2005 Last visit: 11/27/2024 Posts: 1921 Rating: (136)	Hello, there ist also an example in the internet in refer to programming with the data type variant: http://support.automation.siemens.com/WW/view/de/42603286 With best regards Cicero

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7/25/2012 6:35 PM	Rate (0)
fpanazan Experienced Member Joined: 2/15/2009 Last visit: 12/6/2024 Posts: 12 Rating: (1)	Hello, "area" is a parameter that specifies which type of data is read/written (input, output, memory, DB). for parameter "area"the following values (constant) can be selected: 16#81: Input 16#82: Output 16#83: Bit memory 16#84: DB

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