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FX Series Programmable controllers
Contents
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 Assocciated 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