FX Series Programmable Controllers Basic Program Instructions 2
Chapter Contents
2. Basic Pro
ram Instructions ...................................................................2-1
2.1 What is a Pro
ram?............................................................................................. 2-1
2.2 Outline of Basic Devices Used in Pro
rammin
..................................................2-1
2.3 How to Read Ladder Lo
ic ..................................................................................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 Desi
nation............................................................................................2-5
2.6 And, And Inverse................................................................................................. 2-6
2.7 Or, Or Inverse......................................................................................................2-7
2.8 Load Pulse, Load Trailin
Pulse.......................................................................... 2-8
2.9 And Pulse, And Trailin
Pulse.............................................................................2-9
2.10 Or Pulse, Or Trailin
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 Hi
h Speed Counters ..............................................................................................2-19
2.17 Leadin
and Trailin
Pulse ................................................................................2-20
2.18 Inverse...............................................................................................................2-21
2.19 No Operation .....................................................................................................2-22
2.20 End ....................................................................................................................2-23
