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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instructions Edition
Table of Contents
8. Program Flow – FNC 00 to FNC 09 219
8.1 FNC 00 – CJ / Conditional Jump.......................................................................................................... 220
8.1.1 CJ instruction and operations of contact and coil.................................................................................. 224
8.1.2 Relationship between master control instruction and jump instruction ................................................. 226
8.2 FNC 01 – CALL / Call Subroutine ........................................................................................................ 227
8.2.1 Cautions on subroutines and interrupt routines .................................................................................... 229
8.3 FNC 02 – SRET / Subroutine Return ................................................................................................... 231
8.4 FNC 03 – IRET / Interrupt Return ........................................................................................................ 232
8.5 FNC 04 – EI / Enable Interrupt............................................................................................................. 234
8.6 FNC 05 – DI / Disable Interrupt............................................................................................................ 235
8.7 FNC 06 – Main Routine Program End ................................................................................................. 236
8.8 FNC 07 – WDT / Watchdog Timer Refresh.......................................................................................... 238
8.9 FNC 08 – FOR / Start a FOR/NEXT Loop ........................................................................................... 240
8.10 FNC 09 – NEXT / End a FOR/NEXT Loop......................................................................................... 241
9. Move and Compare – FNC 10 to FNC 19 243
9.1 FNC 10 – CMP / Compare ................................................................................................................... 244
9.2 FNC 11 – ZCP / Zone Compare........................................................................................................... 246
9.3 FNC 12 – MOV / Move......................................................................................................................... 248
9.4 FNC 13 – SMOV / Shift Move .............................................................................................................. 251
9.5 FNC 14 – CML / Complement.............................................................................................................. 253
9.6 FNC 15 – BMOV / Block Move............................................................................................................. 255
9.6.1 Function of transfer between file registers and data registers .............................................................. 257
9.7 FNC 16 – FMOV / Fill Move ................................................................................................................. 259
9.8 FNC 17 – XCH / Exchange .................................................................................................................. 261
9.9 FNC 18 – BCD / Conversion to Binary Coded Decimal ....................................................................... 263
9.10 FNC 19 – BIN / Conversion to Binary ................................................................................................ 266
10. Arithmetic and Logical Operation (+, −, ×, ÷) – FNC 20 to FNC 29 269
10.1 FNC 20 – ADD / Addition ................................................................................................................... 270
10.2 FNC 21 – SUB / Subtraction .............................................................................................................. 273
10.3 FNC 22 – MUL / Multiplication ........................................................................................................... 276
10.4 FNC 23 – DIV / Division ..................................................................................................................... 279
10.5 FNC 24 – INC / Increment.................................................................................................................. 282
10.6 FNC 25 – DEC / Decrement............................................................................................................... 284
10.7 FNC 26 – WAND / Logical Word AND ............................................................................................... 285
10.8 FNC 27 – WOR / Logical Word OR.................................................................................................... 287
10.9 FNC 28 – WXOR / Logical Exclusive OR........................................................................................... 289
10.10 FNC 29 – NEG / Negation................................................................................................................ 291
11. Rotation and Shift Operation – FNC 30 to FNC 39 293
11.1 FNC 30 – ROR / Rotation Right ......................................................................................................... 294
11.2 FNC 31 – ROL / Rotation Left............................................................................................................ 296
11.3 FNC 32 – RCR / Rotation Right with Carry ........................................................................................ 298
11.4 FNC 33 – RCL / Rotation Left with Carry ........................................................................................... 300
11.5 FNC 34 – SFTR / Bit Shift Right......................................................................................................... 302
11.6 FNC 35 – SFTL / Bit Shift Left............................................................................................................ 304
11.6.1 Replacement of SFT instruction in F1 and F2 Series.......................................................................... 306
11.7 FNC 36 – WSFR / Word Shift Right ................................................................................................... 307
11.8 FNC 37 – WSFL / Word Shift Left...................................................................................................... 309
11.9 FNC 38 – SFWR / Shift Write [FIFO/FILO Control]............................................................................ 311
11.10 FNC 39 – SFRD / Shift Read [FIFO Control] ................................................................................... 314
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