Table Of Contents - Mitsubishi FX3U Series Programming Manual

FX /FX Series Programmable Controllers
3U 3UC
Programming Manual - Basic & Applied Instructions Edition

Table of Contents

Related manuals...................................................................................................................... 15
Generic Names and Abbreviations Used in Manuals .......................................................... 20
1. Introduction
1.1 Programming Language in PLCs .................................................................................................. 22
1.1.1 Types of programming languages ................................................................................................. 22
1.1.2 Compatibility among programs...................................................................................................... 23
2. Overview (Sequence Program)
2.1 Introduction of Convenient Functions............................................................................................ 24
2.1.1 Convenient functions for input processing..................................................................................... 24
2.1.2 Convenient functions for output processing .................................................................................. 25
2.1.3 Functions for supporting sequence control.................................................................................... 25
2.2 Introduction of Applied Instructions ............................................................................................... 26
2.2.1 Major applied instructions.............................................................................................................. 26
2.3 Analog/Positioning Special Control ............................................................................................... 28
2.4 Link and Communication............................................................................................................... 28
2.5 Introduction of Devices Constructing PLC .................................................................................... 30
2.5.1 Relationship among devices.......................................................................................................... 30
2.5.2 Device list ...................................................................................................................................... 31
2.6 Program Memory and Devices (Battery Backed).......................................................................... 33
2.6.1 Memory structure........................................................................................................................... 33
2.6.2 Memory operations and latched (battery backed) (power ON/OFF and RUN/STOP)................... 34
2.6.3 Types of backup methods against power failure ........................................................................... 36
2.6.4 Change between general devices and latched (battery backed) devices ..................................... 36
2.6.5 How to initialize devices (battery backed) ..................................................................................... 36
2.7 Types and Setting of Parameters.................................................................................................. 37
2.7.1 Parameter list ................................................................................................................................ 37
2.7.2 Parameter initial values and available tools for changing parameter values................................. 38
2.7.3 Memory capacity setting range...................................................................................................... 39
2.7.4 Compatible optional memory model .............................................................................................. 39
2.7.5 Entry code ..................................................................................................................................... 40
2.7.6 Special unit initial value setting [GX Developer Ver.8.23Z or later] ............................................... 44
2.7.7 Positioning setting [for TBL (FNC152) instruction] [GX Developer Ver.8.23Z or later].................. 44
2.7.8 Parameter settings by GX Developer ............................................................................................ 45
3. Instruction List
3.1 Basic Instructions .......................................................................................................................... 55
3.2 Step Ladder Instructions ............................................................................................................... 56
3.3 Applied Instructions ... in Ascending Order of FNC Number......................................................... 57
4. Devices in Detail
4.1 Device Number List....................................................................................................................... 70
4.2 I/O Relays [X, Y]............................................................................................................................ 73
4.2.1 Numbers of I/O relays.................................................................................................................... 73
4.2.2 Functions and roles ....................................................................................................................... 73
4.2.3 Operation timing of input relays..................................................................................................... 74
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