Mitsubishi FX1S Series

v
FX Series Programmable controllers
1. Introduction............................................................................................1-1
1.1 Overview..............................................................................................................1-1
1.2 What is a Programmable Controller? .................................................................. 1-2
1.3 What do You Need to Program a PLC? ..............................................................1-2
1.4 Special considerations for programming equipment ...........................................1-3
1.4.1 Current Generation CPU all versions .......................................................................1-3
1.5 Associated Manuals ............................................................................................1-4
2. Basic Program Instructions ...................................................................2-1
2.1 What is a Program?.............................................................................................2-1
2.2 Outline of Basic Devices Used in Programming..................................................2-1
2.3 How to Read Ladder Logic..................................................................................2-2
2.4 Load, Load Inverse..............................................................................................2-3
2.5 Out.......................................................................................................................2-4
2.5.1 Timer and Counter Variations ...................................................................................2-4
2.5.2 Double Coil Designation............................................................................................2-5
2.6 And, And Inverse .................................................................................................2-6
2.7 Or, Or Inverse......................................................................................................2-7
2.8 Load Pulse, Load Trailing Pulse..........................................................................2-8
2.9 And Pulse, And Trailing Pulse .............................................................................2-9
2.10 Or Pulse, Or Trailing Pulse................................................................................2-10
2.11 Or Block............................................................................................................. 2-11
2.12 And Block ..........................................................................................................2-12
2.13 MPS, MRD and MPP.........................................................................................2-13
2.14 Master Control and Reset..................................................................................2-15
2.15 Set and Reset....................................................................................................2-17
2.16 Timer, Counter (Out & Reset)............................................................................2-18
2.16.1 Basic Timers, Retentive Timers And Counters........................................................2-18
2.16.2 Normal 32 bit Counters ...........................................................................................2-19
2.16.3 High Speed Counters ..............................................................................................2-19
2.17 Leading and Trailing Pulse................................................................................2-20
2.18 Inverse...............................................................................................................2-21
2.19 No Operation .....................................................................................................2-22
2.20 End ....................................................................................................................2-23