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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

Mitsubishi FX1N Series Programming Manual

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