Statement List (STL) - DCE FEL ČVUT v Praze

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Programming Examples The negated (inverted) RLO: 1 0 250 ms Every 250 ms the RLO bit is 0. Then the BEC statement does not end the processing of the block. Instead, the contents of memory byte MB100 is incremented by 1. The contents of memory byte MB100 changes every 250 ms as follows: 0 -> 1 -> 2 -> 3 -> ... -> 254 -> 255 -> 0 -> 1 ... Achieving a Specific Frequency Statement List From the individual bits of memory byte MB100 you can achieve the following frequencies: Bits of MB100 Frequency in Hertz Duration M 100.0 2.0 0.5 s (250 ms on / 250 ms off) M 100.1 1.0 1 s (0.5 s on / 0.5 s off) M 100.2 0.5 2 s (1 s on / 1 s off) M 100.3 0.25 4 s (2 s on / 2 s off) M 100.4 0.125 8 s (4 s on / 4 s off) M 100.5 0.0625 16 s (8 s on / 8 s off) M 100.6 0.03125 32 s (16 s on / 16 s off) M 100.7 0.015625 64 s (32 s on / 32 s off) STL Explanation A M10.0 //M 10.0 = 1 when a fault occurs. The fault lamp blinks at a frequency of 1 Hz when a fault occurs. A M100.1 = Q 4.0 Statement List (STL) for S7-300 and S7-400 Programming B-8 A5E00706960-01
Signal states of the Bits of Memory MB 101 Scan Cycle Programming Examples Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Time Value in ms 0 0 0 0 0 0 0 0 0 250 1 0 0 0 0 0 0 0 1 250 2 0 0 0 0 0 0 1 0 250 3 0 0 0 0 0 0 1 1 250 4 0 0 0 0 0 1 0 0 250 5 0 0 0 0 0 1 0 1 250 6 0 0 0 0 0 1 1 0 250 7 0 0 0 0 0 1 1 1 250 8 0 0 0 0 1 0 0 0 250 9 0 0 0 0 1 0 0 1 250 10 0 0 0 0 1 0 1 0 250 11 0 0 0 0 1 0 1 1 250 12 0 0 0 0 1 1 0 0 250 Signal state of Bit 1 of MB 101 (M 101.1) Frequency = 1/T = 1/1 s = 1 Hz M 101.1 1 0 0 250 ms 0.5 s 0.75 s 1 s 1.25 s 1.5 s Statement List (STL) for S7-300 and S7-400 Programming A5E00706960-01 B-9 T Time
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s SIMATIC Statement List (STL) for
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Preface Purpose This manual is your
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Preface Online Help The manual is c
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Contents 1 Bit Logic Instructions 1
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Contents 8 Floating-Point Math Inst
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Contents 14 Accumulator Instruction
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1 Bit Logic Instructions 1.1 Overvi
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1.2 A And Format A Address Data ty
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1.4 O Or Format O Address Data typ
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1.6 X Exclusive Or Format X Addres
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1.8 O And before Or Format Descript
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1.10 AN( And Not with Nesting Open
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1.14 XN( Exclusive Or Not with Nest
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Example Statement List Program A( O
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1.17 R Reset Format R Address Data
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1.19 NOT Negate RLO Format Descript
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1.21 CLR Clear RLO (=0) Format Desc
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1.23 FN Edge Negative Format FN Bi
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1.24 FP Edge Positive Format FP Bi
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2 Comparison Instructions 2.1 Overv
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2.3 ? D Compare Double Integer (32-
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3 Conversion Instructions 3.1 Overv
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3.3 ITB Integer (16-Bit) to BCD For
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3.5 ITD Integer (16 Bit) to Double
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Conversion Instructions 3.7 DTR Dou
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Conversion Instructions 3.9 INVD On
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Conversion Instructions 3.11 NEGD T
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Conversion Instructions 3.13 CAW Ch
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3.15 RND Round Format Description S
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3.17 RND+ Round to Upper Double Int
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4 Counter Instructions 4.1 Overview
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4.3 L Load Current Counter Value in
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4.5 R Reset Counter Format Descript
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4.7 CU Counter Up Format CU Counte
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5 Data Block Instructions 5.1 Overv
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5.3 CDB Exchange Shared DB and Inst
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Data Block Instructions 5.6 L DILG
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6 Logic Control Instructions 6.1 Ov
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6.2 JU Jump Unconditional Format De
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6.4 JC Jump if RLO = 1 Format Descr
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6.6 JCB Jump if RLO = 1 with BR For
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6.8 JBI Jump if BR = 1 Format Descr
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6.10 JO Jump if OV = 1 Format Descr
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6.12 JZ Jump if Zero Format Descrip
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6.14 JP Jump if Plus Format Descrip
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6.16 JPZ Jump if Plus or Zero Forma
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6.18 JUO Jump if Unordered Format D
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7 Integer Math Instructions 7.1 Ove
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Integer Math Instructions 7.3 +I Ad
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Integer Math Instructions 7.5 *I Mu
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Example: 13 divided by 4 Contents o
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Example 3 STL Explanation L MD20 L
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Integer Math Instructions 7.9 -D Su
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Integer Math Instructions 7.11 /D D
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Integer Math Instructions 7.12 MOD
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8 Floating-Point Math Instructions
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8.3 Floating-Point Math Instruction
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Floating-Point Math Instructions 8.
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9 Load and Transfer Instructions 9.
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Contents of ACCU 1 Load and Transfe
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Load and Transfer Instructions 9.4
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9.9 T Transfer Format Description S
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10 Program Control Instructions 10.
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10.3 BEC Block End Conditional Form
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10.5 CALL Block Call Format Descrip
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10.6 Call FB Format Description CAL
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10.7 Call FC Format Description CAL
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10.8 Call SFB Format Description CA
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10.9 Call SFC Format Description CA
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10.12 CC Conditional Call Format De
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10.14 MCR (Master Control Relay) !
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10.15 Important Notes on Using MCR
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Example Program Control Instruction
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10.18 MCRA Activate MCR Area Format
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11 Shift and Rotate Instructions 11
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Example 1 STL Explanation L MW4 //L
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Examples Shift and Rotate Instructi
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11.2.2 RLD Rotate Left Double Word
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11.2.3 RRD Rotate Right Double Word
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11.2.4 RLDA Rotate ACCU 1 Left via
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12 Timer Instructions 12.1 Overview
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Time Base Timer Instructions Bits 1
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12.3 FR Enable Timer (Free) Format
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Timer Instructions 12.4 L Load Curr
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Timer Instructions 12.5 LC Load Cur
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12.6 R Reset Timer Format R Timer
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Enable input Start input Reset inpu
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Enable input Start input Reset inpu
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Enable Input Start Input Reset Inpu
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Page 211 and 212: 13 Word Logic Instructions 13.1 Ove
Page 213 and 214: Examples Word Logic Instructions Bi
Page 225 and 226: 14 Accumulator Instructions 14.1 Ov
Page 227 and 228: 14.3 POP CPU with Two ACCUs Format
Page 229 and 230: 14.5 PUSH CPU with Two ACCUs Format
Page 231 and 232: 14.7 ENT Enter ACCU Stack Format De
Page 233 and 234: 14.10 DEC Decrement ACCU 1-L-L Form
Page 235 and 236: 14.12 +AR2 Add ACCU 1 to Address Re
Page 237 and 238: 14.15 NOP 1 Null Instruction Format
Page 239 and 240: A Overview of All STL Instructions
Page 241 and 242: German Mnemonics English Mnemonics
Page 243 and 244: German Mnemonics English Mnemonics
Page 245 and 246: Overview of All STL Instructions A.
Page 247 and 248: English Mnemonics German Mnemonics
Page 249 and 250: English Mnemonics German Mnemonics
Page 251 and 252: B Programming Examples B.1 Overview
Page 253 and 254: Absolute and symbolic Programming P
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Page 257: B.3 Example: Timer Instructions Clo
Page 261 and 262: Statement List that Activates the I
Page 263 and 264: B.6 Example: Word Logic Instruction
Page 265 and 266: C Parameter Transfer ! The paramete
Page 267 and 268: Index ) ) .........................
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Page 271 and 272: SLD................................
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Statement List (STL) - DCE FEL ČVUT v Praze

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