Mitsubishi Electronics FX2NC User Manuals

Table of Contents

• FX SERIES OF PROGRAMMABLE CONTROLLER

  1
• Programming Manual

  3
  • 1. Introduction

    19
    • 1.1 Overview

      19
    • 1.2 What is a Programmable Controller?

      20
    • 1.3 What do You Need to Program a PLC?

      20
    • 1.4 CPU version numbers

      21
      • 1.4.1 FX0N CPU versions

        21
      • 1.4.2 FX and FX2C CPU versions

        21
    • 1.5 Special considerations for programming equipment

      22
      • 1.5.1 FX CPU version 3.07 or later and FX2C

        22
      • 1.5.2 FX2N(C) CPU all versions

        23
  • 2. Basic Program Instructions

    27
    • 2.1 What is a Program?

      27
    • 2.2 Outline of Basic Devices Used in Programming

      27
    • 2.3 How to Read Ladder Logic

      28
    • 2.4 Load, Load Inverse

      29
    • 2.5 Out

      30
      • 2.5.1 Timer and Counter Variations

        30
      • 2.5.2 Double Coil Designation

        31
    • 2.6 And, And Inverse

      32
    • 2.7 Or, Or Inverse

      33
    • 2.8 Load Pulse, Load Trailing Pulse

      34
    • 2.9 And Pulse, And Trailing Pulse

      35
    • 2.10 Or Pulse, Or Trailing Pulse

      36
    • 2.11 Or Block

      37
    • 2.12 And Block

      38
    • 2.13 MPS, MRD and MPP

      39
    • 2.14 Master Control and Reset

      41
    • 2.15 Set and Reset

      43
    • 2.16 Timer, Counter (Out & Reset)

      44
      • 2.16.1 Basic Timers, Retentive Timers And Counters

        44
      • 2.16.2 Normal 32 bit Counters

        45
      • 2.16.3 High Speed Counters

        45
    • 2.17 Leading and Trailing Pulse

      46
    • 2.18 Inverse

      47
    • 2.19 No Operation

      48
    • 2.20 End

      49
  • 3. STL Programming

    53
    • 3.1 What is STL, SFC And IEC1131 Part 3?

      53
    • 3.2 How STL Operates

      54
      • 3.2.1 Each step is a program

        54
    • 3.3 How To Start And End An STL Program

      55
      • 3.3.1 Embedded STL programs

        55
      • 3.3.2 Activating new states

        55
      • 3.3.3 Terminating an STL Program

        56
    • 3.4 Moving Between STL Steps

      57
      • 3.4.1 Using SET to drive an STL coil

        57
      • 3.4.2 Using OUT to drive an STL coil

        58
    • 3.5 Rules and Techniques For STL programs

      59
      • 3.5.1 Basic Notes On The Behavior Of STL programs

        59
      • 3.5.2 Single Signal Step Control

        61
    • 3.6 Restrictions Of Some Instructions When Used With STL

      62
    • 3.7 Using STL To Select The Most Appropriate Program

      63
    • 3.8 Using STL To Activate Multiple Flows Simultaneously

      64
    • 3.9 General Rules For Successful STL Branching

      66
    • 3.10 General Precautions When Using The FX-PCS/AT-EE Software

      67
    • 3.11 Programming Examples

      68
      • 3.11.1 A Simple STL Flow

        68
      • 3.11.2 A Selective Branch/ First State Merge Example Program

        70
    • 3.12 Advanced STL Use

      72
  • 4. Devices in Detail

    75
    • 4.1 Inputs

      75
    • 4.2 Outputs

      76
    • 4.3 Auxiliary Relays

      77
      • 4.3.1 General Stable State Auxiliary Relays

        77
      • 4.3.2 Battery Backed/ Latched Auxiliary Relays

        78
      • 4.3.3 Special Diagnostic Auxiliary Relays

        79
      • 4.3.4 Special Single Operation Pulse Relays

        79
    • 4.4 State Relays

      80
      • 4.4.1 General Stable State - State Relays

        80
      • 4.4.2 Battery Backed/ Latched State Relays

        81
      • 4.4.3 STL Step Relays

        82
      • 4.4.4 Annunciator Flags

        83
    • 4.5 Pointers

      84
    • 4.6 Interrupt Pointers

      85
      • 4.6.1 Input Interrupts

        86
      • 4.6.2 Timer Interrupts

        86
      • 4.6.3 Disabling Individual Interrupts

        87
      • 4.6.4 Counter Interrupts

        87
    • 4.7 Constant K

      88
    • 4.8 Constant H

      88
    • 4.9 Timers

      89
      • 4.9.1 General timer operation

        90
      • 4.9.2 Selectable Timers

        90
      • 4.9.3 Retentive Timers

        91
      • 4.9.4 Timers Used in Interrupt and ‘CALL’ Subroutines

        92
      • 4.9.5 Timer Accuracy

        92
    • 4.10 Counters

      93
      • 4.10.1 General/ Latched 16bit UP Counters

        94
      • 4.10.2 General/ Latched 32bit Bi-directional Counters

        95
    • 4.11 High Speed Counters

      96
      • 4.11.1 Basic High Speed Counter Operation

        97
      • 4.11.2 Availability of High Speed Counters on FX0, FX0S and FX0N PLC’s

        98
      • 4.11.3 Availability of High Speed Counters on FX, FX2C PLC’s

        99
      • 4.11.4 Availability of High Speed Counters on FX2N(C) PLC’s

        102
      • 4.11.5 1 Phase Counters - User Start and Reset (C235 - C240)

        103
      • 4.11.6 1 Phase Counters - Assigned Start and Reset (C241 to C245)

        104
      • 4.11.7 2 Phase Bi-directional Counters (C246 to C250)

        105
      • 4.11.8 A/B Phase Counters (C252 to C255)

        106
    • 4.12 Data Registers

      107
      • 4.12.1 General Use Registers

        108
      • 4.12.2 Battery Backed/ Latched Registers

        109
      • 4.12.3 Special Diagnostic Registers

        109
      • 4.12.4 File Registers

        110
      • 4.12.5 Externally Adjusted Registers

        111
    • 4.13 Index Registers

      112
      • 4.13.1 Modifying a Constant

        113
      • 4.13.2 Misuse of the Modifiers

        113
      • 4.13.3 Using Multiple Index Registers

        113
    • 4.14 Bits, Words, BCD and Hexadecimal

      114
      • 4.14.1 Bit Devices, Individual and Grouped

        114
      • 4.14.2 Word Devices

        116
      • 4.14.3 Interpreting Word Data

        116
      • 4.14.4 Two’s Compliment

        119
    • 4.15 Floating Point And Scientific Notation

      120
      • 4.15.1 Scientific Notation

        121
      • 4.15.2 Floating Point Format

        122
      • 4.15.3 Summary Of The Scientific Notation and Floating Point Numbers

        123
  • 5. Applied Instructions

    127
    • 5.1 Program Flow-Functions00 to 09

      130
      • 5.1.1 CJ (FNC 00)

        131
      • 5.1.2 CALL (FNC 01)

        133
      • 5.1.3 SRET (FNC 02)

        134
      • 5.1.4 IRET, EI, DI (FNC 03, 04, 05)

        135
      • 5.1.5 FEND (FNC 06)

        137
      • 5.1.6 WDT (FNC 07)

        138
      • 5.1.7 FOR, NEXT (FNC 08, 09)

        139
    • 5.2 Move And Compare - Functions 10 to 19

      142
      • 5.2.1 CMP (FNC 10)

        143
      • 5.2.2 ZCP (FNC 11)

        143
      • 5.2.3 MOV (FNC 12)

        144
      • 5.2.4 SMOV (FNC 13)

        144
      • 5.2.5 CML (FNC 14)

        145
      • 5.2.6 BMOV (FNC 15)

        146
      • 5.2.7 FMOV (FNC 16)

        147
      • 5.2.8 XCH (FNC 17)

        147
      • 5.2.9 BCD (FNC18)

        148
      • 5.2.10 BIN (FNC 19)

        148
    • 5.3 Arithmetic And Logical Operations - Functions 20 to 29

      150
      • 5.3.1 ADD (FNC 20)

        151
      • 5.3.2 SUB (FNC 21)

        152
      • 5.3.3 MUL (FNC 22)

        153
      • 5.3.4 DIV (FNC 23)

        154
      • 5.3.5 INC (FNC 24)

        155
      • 5.3.6 DEC (FNC 24)

        155
      • 5.3.7 WAND (FNC 26)

        156
      • 5.3.8 WOR (FNC 27)

        156
      • 5.3.9 WXOR (FNC 28)

        157
      • 5.3.10 NEG (FNC 29)

        157
    • 5.4 Rotation And Shift - Functions 30 to 39

      160
      • 5.4.1 ROR (FNC 30)

        161
      • 5.4.2 ROL (FNC 31)

        161
      • 5.4.3 RCR (FNC 32)

        162
      • 5.4.4 RCL (FNC 33)

        162
      • 5.4.5 SFTR (FNC 34)

        163
      • 5.4.6 SFTL (FNC 35)

        163
      • 5.4.7 WSFR (FNC 36)

        164
      • 5.4.8 WSFL (FNC 37)

        164
      • 5.4.9 SFWR (FNC 38)

        165
      • 5.4.10 SFRD (FNC 39)

        166
    • 5.5 Data Operation - Functions 40 to 49

      168
      • 5.5.1 ZRST (FNC 40)

        169
      • 5.5.2 DECO (FNC 41)

        169
      • 5.5.3 ENCO (FNC 42)

        170
      • 5.5.4 SUM (FNC 43)

        171
      • 5.5.5 BON (FNC 44)

        171
      • 5.5.6 MEAN (FNC 45)

        172
      • 5.5.7 ANS (FNC 46)

        173
      • 5.5.8 ANR (FNC 47)

        173
      • 5.5.9 SQR (FNC 48)

        174
      • 5.5.10 FLT (FNC 49)

        175
    • 5.6 High Speed Processing - Functions 50 to 59

      178
      • 5.6.1 REF (FNC 50)

        179
      • 5.6.2 REFF (FNC 51)

        179
      • 5.6.3 MTR (FNC 52)

        180
      • 5.6.4 HSCS (FNC 53)

        181
      • 5.6.5 HSCR (FNC 54)

        182
      • 5.6.6 HSZ (FNC 55)

        183
      • 5.6.7 SPD (FNC 56)

        186
      • 5.6.8 PLSY (FNC 57)

        187
      • 5.6.9 PWM (FNC 58)

        188
      • 5.6.10 PLSR (FNC 59)

        189
    • 5.7 Handy Instructions - Functions 60 to 69

      192
      • 5.7.1 IST (FNC 60)

        193
      • 5.7.2 SER (FNC 61)

        195
      • 5.7.3 ABSD (FNC 62)

        196
      • 5.7.4 INCD (FNC 63)

        197
      • 5.7.5 TTMR (FNC 64)

        198
      • 5.7.6 STMR (FNC 65)

        198
      • 5.7.7 ALT (FNC 66)

        199
      • 5.7.8 RAMP (FNC 67)

        199
      • 5.7.9 ROTC (FNC 68)

        201
      • 5.7.10 SORT (FNC 69)

        203
    • 5.8 External FX I/O Devices - Functions 70 to 79

      206
      • 5.8.1 TKY (FNC 70)

        207
      • 5.8.2 HKY (FNC 71)

        208
      • 5.8.3 DSW (FNC 72)

        209
      • 5.8.4 SEGD (FNC 73)

        210
      • 5.8.5 SEGL (FNC 74)

        211
      • 5.8.6 ARWS (FNC 75)

        213
      • 5.8.7 ASC (FNC 76)

        214
      • 5.8.8 PR (FNC 77)

        215
      • 5.8.9 FROM (FNC 78)

        216
      • 5.8.10 TO (FNC 77)

        217
    • 5.9 External FX Serial Devices - Functions 80 to 89

      220
      • 5.9.1 RS (FNC 80)

        221
      • 5.9.2 RUN (FNC 81)

        222
      • 5.9.3 ASCI (FNC 82)

        224
      • 5.9.4 HEX (FNC 83)

        225
      • 5.9.5 CCD (FNC 84)

        226
      • 5.9.6 VRRD (FNC 85)

        227
      • 5.9.7 VRSD (FNC 86)

        227
      • 5.9.8 PID (FNC 88)

        228
    • 5.10 External F2 Units - Functions 90 to 99

      236
      • 5.10.1 MNET (FNC 90)

        237
      • 5.10.2 ANRD (FNC 91)

        237
      • 5.10.3 ANWR (FNC 92)

        238
      • 5.10.4 RMST (FNC 93)

        238
      • 5.10.5 RMMR (FNC 94)

        239
      • 5.10.6 RMRD (FNC 95)

        240
      • 5.10.7 RMMN (FNC 96)

        240
      • 5.10.8 BLK (FNC 97)

        241
      • 5.10.9 MCDE (FNC 98)

        242
    • 5.11 Floating Point 1 & 2 - Functions 110 to 129

      244
      • 5.11.1 ECMP (FNC 110)

        245
      • 5.11.2 EZCP (FNC 111)

        245
      • 5.11.3 EBCD (FNC 118)

        246
      • 5.11.4 EBIN (FNC 119)

        246
      • 5.11.5 EADD (FNC 120)

        247
      • 5.11.6 EAUB (FNC 121)

        248
      • 5.11.7 EMUL (FNC 122)

        248
      • 5.11.8 EDIV (FNC 123)

        249
      • 5.11.9 ESQR (FNC 127)

        249
      • 5.11.10 INT (FNC 129)

        250
    • 5.12 Trigonometry - FNC 130 to FNC 139

      252
      • 5.12.1 SIN (FNC 130)

        253
      • 5.12.2 COS (FNC 131)

        254
      • 5.12.3 TAN (FNC 132)

        254
    • 5.13 Data Operations 2 - FNC 140 to FNC 149

      256
      • 5.13.1 SWAP (FNC 147)

        257
    • 5.14 Real Time Clock Control - FNC 160 to FNC 169

      260
      • 5.14.1 TCMP (FNC 160)

        261
      • 5.14.2 TZCP (FNC 161)

        262
      • 5.14.3 TADD (FNC 162)

        263
      • 5.14.4 TSUB (FNC 163)

        264
      • 5.14.5 TRD (FNC 166)

        265
      • 5.14.6 TWR (FNC 167)

        266
    • 5.15 Gray Codes - FNC 170 to FNC 179

      268
      • 5.15.1 GRY (FNC 170)

        269
      • 5.15.2 GBIN (FNC 171)

        269
    • 5.16 Inline Comparisons - FNC 220 to FNC 249

      272
      • 5.16.1 LD compare (FNC 224 to 230)

        273
      • 5.16.2 AND compare (FNC 232 to 238)

        274
      • 5.16.3 OR compare (FNC 240 to 246)

        275
  • 6. Diagnostic Devices

    279
    • 6.1 PLC Status (M8000 to M8009 and D8000 to D8009)

      280
    • 6.2 Clock Devices (M8010 to M8019 and D8010 to D8019)

      281
    • 6.3 Operation Flags

      282
    • 6.4 PLC Operation Mode (M8030 to M8039 and D8030 to D8039)

      283
    • 6.5 Step Ladder (STL) Flags (M8040 to M8049 and D8040 to D8049)

      284
    • 6.6 Interrupt Control Flags (M8050 to M8059 and D8050 to D8059)

      285
    • 6.7 Error Detection Devices (M8060 to M8069 and D8060 to D6069)

      286
    • 6.8 Link And Special Operation Devices (M8070 to M8099 and D8070 to D8099)

      287
    • 6.9 Miscellaneous Devices (M8100 to M8119 and D8100 to D8119)

      288
    • 6.10 Communication Adapter Devices, i.e. 232ADP, 485ADP (M8120 to M8129 and D8120 to D8129)

      288
    • 6.11 High Speed Zone Compare Table Comparison Flags (M8130 to M8139 and D8130 to D8139)

      289
    • 6.12 Miscellaneous Devices (M8160 to M8199)

      290
    • 6.13 Index Registers (D8180 to D8199)

      291
    • 6.14 Up/Down Counter Control (M8200 to M8234 and M8200 to D8234)

      292
    • 6.15 High Speed Counter Control (M8235 to M8255 and D8235 to D8255)

      292
    • 6.16 Error Code Tables

      293
  • 7. Execution Times and Instructional Hierarchy

    301
    • 7.1 Basic Instructions

      301
    • 7.2 Applied Instructions

      303
    • 7.3 Hierarchical Relationships Of Basic Program Instructions

      312
    • 7.4 Batch Processing

      314
    • 7.5 Summary of Device Memory Allocations

      314
    • 7.6 Limits Of Instruction Usage

      316
      • 7.6.1 Instructions Which Can Only Be Used Once In The Main Program Area

        316
      • 7.6.2 Instructions Which Are Not Suitable For Use With 110V AC Input Units

        316
  • 8. PLC Device Tables

    319
    • 8.1 Performance Specification Of The FX0 And FX0S

      319
    • 8.2 Performance Specification Of The FX0N

      320
    • 8.3 Performance Specification Of The FX (CPU versions 2.0 to 3.06)

      322
    • 8.4 Performance Specification Of The FX (CPU versions from 3.07) And FX2C (all versions)

      324
    • 8.5 Performance Specification Of The FX2N(C)

      326
  • 9. Assigning System Devices

    331
    • 9.1 Addressing Extension Modules

      331
    • 9.2 Using The FX2-24EI With F Series Special Function Blocks

      332
      • 9.2.1 Using the FX2-24EI With A F-16NP/NT

        333
      • 9.2.2 Using the FX2-24EI With A F2-6A

        334
      • 9.2.3 Using the FX2-24EI With A F2-32RM

        334
      • 9.2.4 Using the FX2-24EI With A F2-30GM

        335
    • 9.3 Parallel Link Adapters

      336
    • 9.4 Real Time Clock Function

      337
      • 9.4.1 Setting the real time clock

        338
  • 10. Points of Technique

    341
    • 10.1 Advanced Programming Points

      341
    • 10.2 Users of DC Powered FX Units

      341
    • 10.3 Using The Forced RUN/STOP Flags

      342
      • 10.3.1 A RUN/STOP push button configuration

        342
      • 10.3.2 Remote RUN/STOP control

        343
    • 10.4 Constant Scan Mode

      344
    • 10.5 Alternating ON/OFF States

      344
    • 10.6 Using Battery Backed Devices For Maximum Advantage

      345
    • 10.7 Indexing Through Multiple Display Data Values

      345
    • 10.8 Reading And Manipulating Thumbwheel Data

      346
    • 10.9 Measuring a High Speed Pulse Input

      346
      • 10.9.1 A 1 msec timer pulse measurement

        346
      • 10.9.2 A 0.1 msec timer pulse measurement

        347
    • 10.10 Using The Execution Complete Flag, M8029

      347
    • 10.11 Creating a User Defined MTR Instruction

      348
    • 10.12 An Example System Application Using STL And IST Program Control

      348
    • 10.13 Using The PWM Instruction For Motor Control

      355
    • 10.14 Communication Format

      358
      • 10.14.1 Specification of the communication parameters:

        358
      • 10.14.2 Header and Terminator Characters

        359
      • 10.14.3 Timing diagrams for communications:

        360
      • 10.14.4 8 bit or 16 bit communications.

        363
    • 10.15 PID Programming Techniques

      364
      • 10.15.1 Keeping MV within a set range

        364
      • 10.15.2 Manual/Automatic change over

        364
      • 10.15.3 Using the PID alarm signals

        365
      • 10.15.4 Other tips for PID programming

        365
    • 10.16 Additional PID functions

      366
      • 10.16.1 Output Value range control (S3+1 b5)

        366
    • 10.17 Pre-tuning operation

      367
      • 10.17.1 Variable Constants

        367
    • 10.18 Example Autotuning Program

      368
  • 11. Index

    371
    • 11.1 Index

      371
    • 11.2 ASCII Character Codes

      379
    • 11.3 Applied Instruction List

      380