Mitsubishi Q Series Programming Guide

A - 4 A - 4
INTRODUCTION
Thank you for purchasing the Mitsubishi MELSEC-Q Series of General Purpose Programmable Controllers.
Before using the product, please read this manual carefully to develop full familiarity with the functions and
performance of the Programmable Controller Q Series you have purchased, so as to ensure correct use.
Please be sure to deliver this manual to the final user.
SAFETY PRECAUTIONS...............................................................................................................................A- 1
REVISIONS .....................................................................................................................................................A- 2
CONTENTS.....................................................................................................................................................A- 4
ABOUT MANUALS .........................................................................................................................................A- 7
Generic terms and abbreviations used in this manual...................................................................................A- 7
CONTENTS
1. GENERAL DESCRIPTION 1- 1 to 1-10
1.1 SFC Program ........................................................................................................................................... 1- 3
1.2 SFC (MELSAP-L) Features ..................................................................................................................... 1- 4
2. SYSTEM CONFIGURATION 2- 1 to 2- 2
3. SPECIFICATIONS 3- 1 to 3-18
3.1 Performance Specifications Related to SFC Programs ......................................................................... 3- 1
3.1.1 Performance specifications of Basic model QCPU.......................................................................... 3- 1
3.1.2 Performance specifications of High Performance model QCPU, Process CPU,
Redundant CPU and Universal model QCPU ................................................................................. 3- 3
3.2 Device List ................................................................................................................................................ 3- 7
3.2.1 Device list of Basic model QCPU ..................................................................................................... 3- 7
3.2.2 Device list of High Performance model QCPU, Process CPU, Redundant CPU and
Universal model QCPU..................................................................................................................... 3- 9
3.3 Processing Time ...................................................................................................................................... 3-12
3.3.1 Processing time for SFC program .................................................................................................... 3-12
3.3.2 Processing time for S(P).SFCSCOMR instruction and S(P).SFCTCOMR instruction ................... 3-16
3.4 Calculating the SFC Program Capacity .................................................................................................. 3-17
4. SFC PROGRAM CONFIGURATION 4- 1 to 4-109
4.1 List of SFC Diagram Symbols ................................................................................................................. 4- 2
4.2 Steps ........................................................................................................................................................ 4- 4
4.2.1 Step
(without step attribute) ......................................................................................................... 4- 4
4.2.2 Initial step
...................................................................................................................................... 4- 7
4.2.3 Dummy step
.................................................................................................................................. 4- 8
4.2.4 Coil HOLD step
SC
........................................................................................................................... 4- 8
4.2.5 Operation HOLD step (without transition check)
SE
....................................................................... 4-10
4.2.6 Operation HOLD step (with transition check)
ST
............................................................................ 4-12
4.2.7 Reset step
R
..................................................................................................................................... 4-14
4.2.8 Block START step (with END check)
.......................................................................................... 4-15
4.2.9 Block START step (without END check)
..................................................................................... 4-17

Mitsubishi Q Series Specifications

General

Brand	Mitsubishi
Model	Q Series
Category	Control Unit
Language	English