Lenze DDS v2.3 Instrukcja Użytkownika Pobierz pdf (Strona 4)

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Contents

DDS EN 2.3

4 Programming languages 4-1.................................................

4.1 The standard IEC 61131-3 4-1..........................................................

4.2 Instruction list (IL) 4-2................................................................

4.2.1 Operators and modifiers 4-2.....................................................

4.3 Structured text (ST) 4-4...............................................................

4.3.1 Exp ressions 4-4..............................................................

4.3.2 Evaluating expressions 4-4.....................................................

4.3.3 Instructions (overview) 4-5......................................................

4.3.4 Assignment operator 4-5.......................................................

4.3.5 Calling a function block in ST 4-6.................................................

4.3.6 RETURN instruction 4-6........................................................

4.3.7 IF instruction 4-6.............................................................

4.3.8 CASE instruction 4-7..........................................................

4.3.9 FOR loop 4-8................................................................

4.3.10 WHILE loop 4-9..............................................................

4.3.11 REPEAT loop 4-10.............................................................

4.3.12 EXIT instruction 4-10...........................................................

4.4 Sequential Function Chart (SFC) 4-11......................................................

4.4.1 Step 4-11...................................................................

4.4.2 Action 4-11..................................................................

4.4.3 En try and exit action 4-12.......................................................

4.4.4 Transition/transition condition 4-12................................................

4.4.5 Active step 4-12..............................................................

4.4.6 IEC step 4-13................................................................

4.4.7 Qualifiers 4-14...............................................................

4.4.8 Implicit SFC variables 4-15......................................................

4.4.9 SFC flags 4-15...............................................................

4.4.10 Alternative branch 4-17.........................................................

4.4.11 P arallel branch 4-17...........................................................

4.4.12 Jump 4-17..................................................................

4.5 Function block diagram (FBD) 4-18........................................................

4.6 The Continuous Function Chart editor (CFC) 4-19..............................................

4.7 Ladder diagram (LD) 4-20...............................................................

4.7.1 Contact 4-20.................................................................

4.7.2 Coil 4-20....................................................................

4.7.3 Set/Reset coil 4-21............................................................

4.7.4 Function blocks in LD 4-21......................................................

4.7.5 LD as FBD 4-21...............................................................

5 Desktop 5-1..............................................................

5.1 User interface 5-1...................................................................

5.1.1 Menu bar 5-1...............................................................

5.1.2 Tool bar 5-2................................................................

5.1.3 Object Organizer 5-2..........................................................

5.1.4 Vertical screen divider 5-3......................................................

5.1.5 Desktop 5-3................................................................

5.1.6 Message window 5-3.........................................................

5.1.7 Status bar 5-4...............................................................

5.1.8 Shortcut menu 5-4............................................................

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Lenze DDS v2.3 Instrukcja Użytkownika Strona 4

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