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ET200S - More functions in 1 source file - SCL

5/12/2015 2:38 AM	Rate (0)
SOble Posts: 511 Rating: (106)	FUNCTION_BLOCK FB220 VAR_INPUT dt_x : REAL; END_VAR VAR_TEMP tmp : REAL; END_VAR VAR_IN_OUT Y : REAL; END_VAR VAR // Static Variables e_S : REAL := 0.0; END_VAR ; END_FUNCTION_BLOCK DATA_BLOCK DB220 FB220 BEGIN END_DATA_BLOCK FUNCTION FC219 : VOID VAR_TEMP // Temporary Variables END_VAR // Statement Section e_S := 33.0; // Not working END_FUNCTION How can I call function FC 219 from FB 220(begin code), and how I can change Static variables or IN_OUT variables from function FC 219.
SOble Posts: 511 Rating: (106)
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5/12/2015 7:40 AM	Rate (1)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	Hello, You need to follow these points : Declare functions that are used in your rest of your program first of all at the begening of your source file. When you want to call an FB inside another FB , use multi-instance with address access related to that. Calling an FB inside an FC is possible, directly by assigning an IDB or manipulating elements inside of IDB. Some templates can be found in the following manuals: unknown user The following manuals will help you to start and develop your programming skills in structured control language. S7-SCL V5.3 for S7-300/400 Getting Started S7-SCL V5.3 for S7-300/400 Structured Control Language (SCL V4, V5.0) for S7-300/S7-400 Programming Also check this reference for SCL section Automating with STEP 7 in STL and SCL and sample codes which can be downloaded free of charge from here: Automating with STEP 7 in STL and SCL README.TXT PDF Programming Examples "SCL-Book" ZIP And finally , this link will be added as visual Demonstration: The High-Level Language S7-SCL I hope this helps, hdhosseini
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