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FX3G/FX3U/FX3GC/FX3UC Series

Programming Manual - Basic & Applied Instruction Edition

8 Program Flow – FNC 00 to FNC 09

8. Program Flow – FNC 00 to FNC 09

FNC 00 to FNC 09 provide instructions mainly related to control flow of sequence programs such as conditional

program execution and priority processing.

FNC No. Mnemonic Symbol Function Reference

00 CJ Conditional Jump Section 8.1

01 CALL Call Subroutine Section 8.2

02 SRET Subroutine Return Section 8.3

03 IRET Interrupt Return Section 8.4

04 EI Enable Interrupt Section 8.5

05 DI Disable Interrupt Section 8.6

06 FEND Main Routine Program End Section 8.7

07 WDT Watchdog Timer Refresh Section 8.8

08 FOR Start a FOR/NEXT Loop Section 8.9

09 NEXT End a FOR/NEXT Loop Section 8.10

PnCJ

PnCALL

SRET

IRET

FEND

WDT

FOR S

Default Chapter5
- Table of Contents5
Related Manuals16
Generic Names and Abbreviations Used in Manuals23
1 Introduction25
- Programming Language in Plcs25
2 Overview (Sequence Program)27
- Introduction of Convenient Functions27
- Introduction of Applied Instructions29
  - Major Applied Instructions29
- Analog/Positioning Special Control31
- Link and Communication31
- Introduction of Devices Constructing PLC32
  - Relationship Among Devices32
  - Device List33
- Program Memory and Devices35
- Types and Setting of Parameters44
3 Instruction List67
- Basic Instructions67
- Step Ladder Instructions69
- Applied Instructions69
4 Devices in Detail83
- Device Number List83
- I/O Relays [X, Y]87
- Auxiliary Relay [M]90
  - Numbers of Auxiliary Relays90
  - Functions and Operation Examples90
- State Relay [S]92
  - Numbers of State Relays92
  - Functions and Operation Examples93
- Timer [T]95
- Counter [C]100
- High-Speed Counter [C] (FX3U/FX3UC PLC)104
- High-Speed Counter [C] (FX3G/FX3GC Plcs)118
- Data Register and File Register [D]126
- Extension Register [R] and Extension File Register [ER]134
- Index Register [V and Z]145
- Pointer [P and I]146
5 How to Specify Devices and Constants to Instructions150
- Numeric Values Handled in PLC (Octal, Decimal, Hexadecimal and Real Numbers)150
- Specification of Constants K, H and E (Decimal, Hexadecimal and Real Number)154
- Character Strings155
  - Character String Constant ("ABC")155
  - Character String Data155
- Specification of Digits for Bit Devices (Kn[ ]***)156
- Bit Specification of a Word Device (D[ ].B)157
- Direct Specification of Buffer Memory (U[ ]\G[ ])157
- Indexing158
6 What to Understand before Programming162
- How to Read Explanation of Instructions162
- Cautions on Creation of Fundamental Programs165
- I/O Processing and Response Delay167
- Mutual Relationship Among Program Flow Control Instructions168
- General Rules for Applied Instructions170
- Symbolic Information Storage and Block Password176
  - Storage of Symbolic Information176
  - Block Password176
7 Basic Instruction177
- Ld, Ldi179
- Out181
- And, Ani184
- Or, Ori187
- Ldp, Ldf, Andp, Andf, Orp, Orf190
- Orb196
- Anb197
- Mps, Mrd, Mpp198
- MC, Mcr201
- Inv204
- Mep, Mef205
- Pls, Plf207
- Set, Rst210
- Nop213
- End214
- Number of Instruction Steps and Specified Devices215
8 Program Flow – FNC 00 to FNC 09216
- FNC 00 - CJ / Conditional Jump217
  - CJ Instruction and Operations of Contact and Coil221
  - Relationship between Master Control Instruction and Jump Instruction223
- FNC 01 - CALL / Call Subroutine224
  - Cautions on Subroutines and Interrupt Routines226
- FNC 02 - SRET / Subroutine Return228
- FNC 03 - IRET / Interrupt Return229
- FNC 04 - EI / Enable Interrupt231
- FNC 05 - DI / Disable Interrupt232
- FNC 06 - FEND / Main Routine Program End233
- FNC 07 - WDT / Watchdog Timer Refresh235
- FNC 08 - for / Start a FOR/NEXT Loop237
- FNC 09 - NEXT / End a FOR/NEXT Loop238
9 Move and Compare – FNC 10 to FNC 19240
- FNC 10 - CMP / Compare241
- FNC 11 - ZCP / Zone Compare243
- FNC 12 - MOV / Move245
- FNC 13 - SMOV / Shift Move248
- FNC 14 - CML / Complement250
- FNC 15 - BMOV / Block Move252
  - Function of Transfer between File Registers and Data Registers254
- FNC 16 - FMOV / Fill Move256
- FNC 17 - XCH / Exchange258
- FNC 18 - BCD / Conversion to Binary Coded Decimal260
- FNC 19 - bin / Conversion to Binary263
- Arithmetic and Logical Operation (+, −, ×, ÷) – FNC 20 to FNC 29266
10 Arithmetic and Logical Operation (+, −, ×, ÷) - FNC 20 to FNC 29267
- FNC 20 - ADD / Addition267
- FNC 21 - SUB / Subtraction269
- FNC 22 - MUL / Multiplication271
- FNC 23 - DIV / Division274
- FNC 24 - INC / Increment277
- FNC 25 - DEC / Decrement279
- FNC 26 - WAND / Logical Word and280
- FNC 27 - WOR / Logical Word or282
- FNC 28 - WXOR / Logical Exclusive or284
- 10.10 FNC 29 - NEG / Negation286
11 Rotation and Shift Operation – FNC 30 to FNC 39288
- FNC 30 - ROR / Rotation Right289
- FNC 31 - ROL / Rotation Left291
- FNC 32 - RCR / Rotation Right with Carry293
- FNC 33 - RCL / Rotation Left with Carry295
- FNC 34 - SFTR / Bit Shift Right297
- FNC 35 - SFTL / Bit Shift Left299
  - Replacement of SFT Instruction in F and F Series301
- FNC 36 - WSFR / Word Shift Right302
- FNC 37 - WSFL / Word Shift Left304
- FNC 38 - SFWR / Shift Write [FIFO/FILO Control]306
- FNC 39 - SFRD / Shift Read [FIFO Control]309
12 Data Operation – FNC 40 to FNC 49311
- FNC 40 - ZRST / Zone Reset312
- FNC 41 - DECO / Decode315
- FNC 42 - ENCO / Encode318
- FNC 43 - SUM / Sum of Active Bits320
- FNC 44 - BON / Check Specified Bit Status323
- FNC 45 - MEAN / Mean325
- FNC 46 - ANS / Timed Annunciator Set327
- FNC 47 - ANR / Annunciator Reset329
- FNC 48 - SQR / Square Root330
- 12.10 FNC 49 - FLT / Conversion to Floating Point331
13 High-Speed Processing – FNC 50 to FNC 59333
- FNC 50 - REF / Refresh334
  - What Should be Understood before Using the REF Instruction337
- FNC 51 - REFF / Refresh and Filter Adjust338
  - What Should be Understood before Using REFF Instruction340
- FNC 52 - MTR / Input Matrix341
  - Operation and Cautions for the MTR Instruction344
- FNC 53 - HSCS / High-Speed Counter Set345
  - Common Cautions on Using Instructions for High-Speed Counter348
- FNC 54 - HSCR / High-Speed Counter Reset351
- FNC 55 - HSZ / High-Speed Counter Zone Compare354
- FNC 56 - SPD / Speed Detection366
- FNC 57 - PLSY / Pulse y Output370
- FNC 58 - PWM / Pulse Width Modulation375
- 13.10 FNC 59 - PLSR / Acceleration/Deceleration Setup378
14 Handy Instruction – FNC 60 to FNC 69383
- FNC 60 - ist / Initial State384
  - IST Instruction Equivalent Circuit386
  - Example of ist Instruction Introduction (Example of Workpiece Transfer Mechanism)387
- FNC 61 - SER / Search a Data Stack394
- FNC 62 - ABSD / Absolute Drum Sequencer397
- FNC 63 - INCD / Incremental Drum Sequencer400
- FNC 64 - TTMR / Teaching Timer402
- FNC 65 - STMR / Special Timer404
- FNC 66 - ALT / Alternate State406
- FNC 67 - RAMP / Ramp Variable Value408
- FNC 68 - ROTC / Rotary Table Control410
- 14.10 FNC 69 - SORT / SORT Tabulated Data413
15 External FX I/O Device – FNC 70 to FNC 79416
- FNC 70 - TKY / Ten Key Input417
- FNC 71 - HKY / Hexadecimal Input420
- FNC 72 - DSW / Digital Switch (Thumbwheel Input)424
- FNC 73 - SEGD / Seven Segment Decoder427
- FNC 74 - SEGL / Seven Segment with Latch429
  - How to Select a Seven-Segment Display Unit432
  - How to Select Parameter "N" Based on Seven-Segment Display Specifications432
- FNC 75 - ARWS / Arrow Switch434
- FNC 76 - ASC / ASCII Code Data Input438
- FNC 77 - PR / Print (ASCII Code)440
- FNC 78 - from / Read from a Special Function Block443
  - Common Items between from Instruction and to Instruction (Details)446
- 15.10 FNC 79 - to / Write to a Special Function Block448
16 External FX Device – FNC 80 to FNC 89450
- FNC 80 - RS / Serial Communication451
- FNC 81 - PRUN / Parallel Run (Octal Mode)453
- FNC 82 - ASCI / Hexadecimal to ASCII Conversion455
- FNC 83 - HEX / ASCII to Hexadecimal Conversion458
- FNC 84 - CCD / Check Code461
- FNC 85 - VRRD / Volume Read464
- FNC 86 - VRSC / Volume Scale466
- FNC 87 - RS2 / Serial Communication 2468
- FNC 88 - PID / PID Control Loop471
17 Data Transfer 2 - FNC100 to FNC109475
- FNC102 - Zpush/Batch Store of Index Register476
- FNC103 - Zpop/Batch POP of Index Register479
18 Floating Point - FNC110 to FNC139480
- FNC110 - ECMP / Floating Point Compare482
- FNC111 - EZCP / Floating Point Zone Compare483
- FNC112 - EMOV / Floating Point Move485
- FNC116 - ESTR / Floating Point to Character String Conversion486
- FNC117 - EVAL / Character String to Floating Point Conversion492
- FNC118 - EBCD / Floating Point to Scientific Notation Conversion497
- FNC119 - EBIN / Scientific Notation to Floating Point Conversion498
- FNC120 - EADD / Floating Point Addition500
- FNC121 - ESUB / Floating Point Subtraction501
- 18.10 FNC122 - EMUL / Floating Point Multiplication502
- 18.11 FNC123 - EDIV / Floating Point Division503
- 18.12 FNC124 - EXP / Floating Point Exponent504
- 18.13 FNC125 - LOGE / Floating Point Natural Logarithm506
- 18.14 FNC126 - LOG10 / Floating Point Common Logarithm508
- 18.15 FNC127 - ESQR / Floating Point Square Root510
- 18.16 FNC128 - ENEG / Floating Point Negation511
- 18.17 FNC129 - INT / Floating Point to Integer Conversion512
- FNC130 - sin / Floating Point Sine514
- 18.19 FNC131 - COS / Floating Point Cosine515
- 18.20 FNC132 - tan / Floating Point Tangent516
- 18.21 FNC133 - ASIN / Floating Point Arc Sine517
- 18.22 FNC134 - ACOS / Floating Point Arc Cosine519
- 18.23 FNC135 - ATAN / Floating Point Arc Tangent521
- 18.24 FNC136 - RAD / Floating Point Degrees to Radians Conversion523
- 18.25 FNC137 - DEG / Floating Point Radians to Degrees Conversion525
19 Data Operation 2 - FNC140 to FNC149526
- FNC140 - WSUM / Sum of Word Data527
- FNC141 - WTOB / WORD to BYTE529
- FNC142 - BTOW / BYTE to WORD531
- FNC143 - UNI / 4-Bit Linking of Word Data533
- FNC144 - DIS / 4-Bit Grouping of Word Data535
- FNC147 - SWAP / Byte Swap537
- FNC149 - SORT2 / Sort Tabulated Data 2538
20 Positioning Control - FNC150 to FNC159543
- FNC150 - DSZR / Dog Search Zero Return543
- FNC151 - DVIT / Interrupt Positioning545
- FNC152 - TBL / Batch Data Positioning Mode547
- FNC155 - ABS / Absolute Current Value Read548
- FNC156 - ZRN / Zero Return549
- FNC157 - PLSV / Variable Speed Pulse Output551
- FNC158 - DRVI / Drive to Increment553
- FNC159 - DRVA / Drive to Absolute555
21 Real Time Clock Control - FNC160 to FNC169557
- FNC160 - TCMP / RTC Data Compare558
- FNC161 - TZCP / RTC Data Zone Compare560
- FNC162 - TADD / RTC Data Addition562
- FNC163 - TSUB / RTC Data Subtraction564
- FNC164 - HTOS / Hour to Second Conversion566
- FNC165 - STOH / Second to Hour Conversion568
- FNC166 - TRD / Read RTC Data570
- FNC167 - TWR / Set RTC Data571
- FNC169 - HOUR / Hour Meter573
22 External Device - FNC170 to FNC179575
- FNC170 - GRY / Decimal to Gray Code Conversion576
- FNC171 - GBIN / Gray Code to Decimal Conversion577
- FNC176 - RD3A / Read Form Dedicated Analog Block578
- FNC177 - WR3A / Write to Dedicated Analog Block579
23 Introduction of Alternate Instructions - FNC180581
- Instruction Correspondence Table581
24 Others - FNC181 to FNC189582
- FNC182 - COMRD / Read Device Comment Data583
- FNC184 - RND / Random Number Generation585
- FNC186 - DUTY / Timing Pulse Generation586
- FNC188 - CRC / Cyclic Redundancy Check588
- FNC189 - HCMOV / High-Speed Counter Move592
25 Block Data Operation - FNC190 to FNC199596
- FNC192 - BK+ / Block Data Addition597
- NFC193 - BK- / Block Data Subtraction600
- FNC194~199 - BKCMP=, >, <, < >, <=, >= / Block Data Compare603
26 Character String Control - FNC200 to FNC209607
- FNC200 - STR / bin to Character String Conversion608
- FNC201 - VAL / Character String to bin Conversion613
- FNC202 - $+ / Link Character Strings618
- FNC203 - LEN / Character String Length Detection620
- FNC204 - RIGHT / Extracting Character String Data from the Right622
- FNC205 - LEFT / Extracting Character String Data from the Left624
- FNC206 - MIDR / Random Selection of Character Strings626
- FNC207 - MIDW / Random Replacement of Character Strings629
- FNC208 - INSTR / Character String Search632
- FNC209 - $MOV / Character String Transfer634
27 Data Operation 3 - FNC210 to FNC219636
- FNC210 - FDEL / Deleting Data from Tables637
- FNC211 - FINS / Inserting Data to Tables639
- FNC212 - POP / Shift Last Data Read [FILO Control]641
- FNC213 - SFR / Bit Shift Right with Carry644
- FNC214 - SFL / Bit Shift Left with Carry646
28 Data Comparison - FNC220 to FNC249648
- FNC224~230 - LD =, >, <, <>, <=, >= / Data Comparison650
- FNC232~238 - AND=, >, <, < >, <=, >= / Data Comparison652
- FNC240~246 - OR=, >, <, < >, <=, >= / Data Comparison654
29 Data Table Operation - FNC250 to FNC269656
- FNC256 - LIMIT / Limit Control657
- FNC257 - BAND / Dead Band Control660
- FNC258 - ZONE / Zone Control663
- FNC259 - SCL / Scaling (Coordinate by Point Data)666
- FNC260 - DABIN / Decimal ASCII to bin Conversion670
- FNC261 - BINDA / bin to Decimal ASCII Conversion673
- FNC269 - SCL2 / Scaling 2 (Coordinate by X/Y Data)676
30 External Device Communication (Inverter Communication) - FNC270 to FNC275680
- FNC270 - IVCK / Inverter Status Check681
- FNC271 - IVDR / Inverter Drive683
- FNC272 - IVRD / Inverter Parameter Read685
- FNC273 - IVWR / Inverter Parameter Write687
- FNC274 - IVBWR / Inverter Parameter Block Write689
- FNC275 - IVMC / Inverter Multi Command691
31 Data Transfer 3 - FNC276 to FNC279693
- FNC278 - RBFM / Divided BFM Read694
  - Common Items between RBFM (FNC278) Instruction and WBFM (FNC279) Instruction695
- FNC279 - WBFM / Divided BFM Write698
32 High-Speed Processing 2 - FNC280 to FNC289700
- FNC280 - HSCT / High-Speed Counter Compare with Data Table701
33 Extension File Register Control - FNC290 to FNC299706
- FNC290 - LOADR / Load from er707
- FNC291 - SAVER / Save to er710
- FNC292 - INITR / Initialize R and er718
- FNC293 - LOGR / Logging R and er721
- FNC294 - RWER / Rewrite to er725
- FNC295 - INITER / Initialize er731
34 FX 3U -CF-ADP Applied Instructions - FNC300 to FNC305734
- FNC 300 - FLCRT / File Create•Check735
  - Detailed Explanation of Setting Data736
- FNC 301 - FLDEL / File Delete•Cf Card Format737
  - Detailed Explanation of Setting Data738
- FNC 302 - FLWR / Data Write739
  - Detailed Explanation of Setting Data741
- FNC 303 - FLRD / Data Read742
  - Detailed Explanation of Setting Data743
- 34.5 FNC 304 - FLCMD / FX3U-CF-ADP Command744
  - Detailed Explanation of Setting Data745
- 34.6 FNC 305 - FLSTRD / FX3U-CF-ADP Status Read746
  - Detailed Explanation of Setting Data747
35 SFC Program and Step Ladder749
- SFC Program749
- Step Ladder778
36 Interrupt Function and Pulse Catch Function795
- Outline795
- Common Items796
- Input Interrupt (Interrupt Triggered by External Signal) [Without Delay Function]800
  - Examples of Practical Programs (Programs to Measure Short Pulse Width)804
- Input Interrupt (Interrupt by External Signal) [With Delay Function]806
- Timer Interrupt (Interrupt in Constant Cycle)806
  - Examples of Practical Program (Timer Interrupt Programs Using Applied Instruction)808
- Counter Interrupt - Interrupt Triggered by Counting up of High-Speed Counter810
- Pulse Catch Function [M8170 to M8177]811
- Pulse Width/Pulse Period Measurement Function [M8075 to M8079, D8074 to D8097]812
37 Operation of Special Devices (M8000 -, D8000 -)816
- Special Device List (M8000 -, D8000 -)816
  - Special Auxiliary Relay (M8000 to M8511)816
  - Special Data Register (D8000 to D8511)833
- Supplement of Special Devices (M8000 - and D8000 -)850
38 Error Check Method and Error Code List870
- States and Colors of Leds PLC Operation Status870
- Error Code Check Method and Indication874
- Supplementary Explanation of Devices for Error Detection877
- Error Code List and Action879
Appendix A: Programming Tool Applicability and Version Upgrade History887
- Appendix A-1 Programming Tool Applicability887
- Appendix A-1-1 Programming Tool Applicability887
- Appendix A-1-2 Cautions on Writing During RUN892
- Appendix A-1-3 Precautions on Use of (Built-In USB) Programming Port896
- Appendix A-1-4 Cautions on Using Transparent Function by Way of USB in GOT1000 Series897
- Appendix A-1-5 Cautions on Using Transparent (2-Port) Function of GOT-F900 Series898
- Appendix A-2 Peripheral Product Applicability (Except Programming Tools)899
- Appendix A-2-1 Peripheral Product Applicability899
- Appendix A-3 Version Upgrade History901
- Appendix A-3-1 Manufacturer's Serial Number Check Method901
- Appendix A-3-2 Version Check902
- Appendix A-3-3 Version Upgrade History [FX 3G ]902
- Appendix A-3-4 Version Upgrade History [FX 3GC ]902
- Appendix A-3-5 Version Upgrade History [FX 3U ]903
- Appendix A-3-6 Version Upgrade History [FX 3UC ]903
Appendix B: Instruction Execution Time905
- Appendix B-1 Basic Instruction Execution Time905
- Appendix B-2 Step Ladder Instruction Execution Time911
- Appendix B-3 Label (P/I) Execution Time911
- Appendix B-4 Applied Instruction Execution Time912
- Appendix B-5 Execution Time of Pulse Generation Instruction P in each Applied Instruction924
- Appendix B-6 Execution Time on Combination of Applicable Devices and Indexing926
- Appendix B-6-1 Basic Instruction (LD/LDI/AND/ANI/OR/ORI) Execution Time926
- Appendix B-6-2 Applied Instruction Execution Time926
Appendix C: Applied Instruction List [By Instruction Type/In Alphabetic Order]929
- Appendix C-1 Applied Instructions [By Instruction Type]929
- Appendix C-2 Applied Instructions [In Alphabetical Order]933
Appendix D: Discontinued Models937
Warranty939
Revised History940

Brand	Mitsubishi
Model	FX3U Series
Category	Controller
Language	English

Mitsubishi FX3U Series Programming Manual

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