Mitsubishi Electric FX3G SERIES Programming Manual page 6
Programmable controllers
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Also See for FX3G SERIES:
- User manual (532 pages) ,
- Hardware manual (8 pages) ,
- Quick start manual (2 pages)
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Series Programmable Controllers
3G
3U
3UC
Programming Manual - Basic & Applied Instructions Edition
4.4 State Relay [S] ....................................................................................................................................... 91
4.4.1 Numbers of state relays .......................................................................................................................... 91
4.4.2 Functions and operation examples ......................................................................................................... 92
4.5 Timer [T]................................................................................................................................................. 94
4.5.1 Numbers of timers................................................................................................................................... 94
4.5.2 Functions and operation examples ......................................................................................................... 94
4.5.3 Set value specification method ............................................................................................................... 96
4.5.4 Cautions on routines ............................................................................................................................... 96
4.5.5 Details on timer operation and timer accuracy........................................................................................ 96
4.5.6 Program examples [off-delay timer and flicker timer].............................................................................. 97
4.5.7 Handling timers as numeric devices ....................................................................................................... 98
4.6 Counter [C]............................................................................................................................................. 99
4.6.1 Numbers of counters............................................................................................................................... 99
4.6.2 Features of counters ............................................................................................................................... 99
4.6.3 Related devices (to specify counting direction) [32-bit counter].............................................................. 99
4.6.4 Functions and operation examples ....................................................................................................... 100
4.6.5 Set value specification method ............................................................................................................. 101
4.6.6 Response speed of counters ................................................................................................................ 101
4.6.7 Handling counters as numeric devices ................................................................................................. 102
4.7.1 Types and device numbers of high-speed counters ............................................................................. 103
4.7.2 Input assignment for high-speed counters ............................................................................................ 105
4.7.3 Handling of high-speed counters .......................................................................................................... 106
4.7.4 Current value update timing and comparison of current value.............................................................. 108
4.7.5 Related devices..................................................................................................................................... 109
4.7.6 Changing the logic of external reset input signal .................................................................................. 110
4.7.7 Assignment of counter input terminal and switching of function ........................................................... 110
4.7.8 How to use 2-phase 2-count input counters C251 to C255 with 4 edge counting ................................ 111
4.7.9 Conditions for hardware counters to be handled as software counters ................................................ 112
4.7.10 Response frequency of high-speed counters...................................................................................... 113
4.7.11 Cautions on use .................................................................................................................................. 115
4.8.1 Types and device numbers of high-speed counters ............................................................................. 117
4.8.2 Input assignment for high-speed counters ............................................................................................ 119
4.8.3 Handling of high-speed counters .......................................................................................................... 120
4.8.4 Current value update timing and comparison of current value.............................................................. 120
4.8.5 Related devices..................................................................................................................................... 120
4.8.6 Assignment of counter input terminal and switching of function ........................................................... 121
4.8.7 Response frequency of high-speed counters........................................................................................ 122
4.8.8 Cautions on use .................................................................................................................................... 123
4.9 Data Register and File Register [D] ..................................................................................................... 125
4.9.1 Numbers of data registers and file registers ......................................................................................... 125
4.9.2 Structures of data registers and file registers........................................................................................ 126
4.9.3 Functions and operation examples of data registers ............................................................................ 127
4.9.4 Functions and operation examples of file registers............................................................................... 129
4.9.5 Cautions on using file registers ............................................................................................................. 132
4.10 Extension Register [R] and Extension File Register [ER] .................................................................. 133
4.10.1 Numbers of extension registers and extension file registers............................................................... 133
4.10.2 Data storage destination and access method ..................................................................................... 133
4.10.3 Structures of extension registers and extension file registers............................................................. 134
4.10.4 Initialization of extension registers and extension file registers .......................................................... 134
4.10.5 Functions and operation examples of extension registers .................................................................. 135
4.10.6 Functions and operation examples of extension file registers ............................................................ 136
4.10.7 Cautions on using extension file registers........................................................................................... 139
4.10.8 Registration of data in extension registers and extension file registers .............................................. 140
4.11 Index Register [V and Z] .................................................................................................................... 144
4.11.1 Numbers of index registers ................................................................................................................. 144
4.11.2 Functions and structures..................................................................................................................... 144
4.11.3 Indexing of devices ............................................................................................................................. 145
4.12 Pointer [P and I] ................................................................................................................................. 146
4.12.1 Numbers of pointers............................................................................................................................ 146
4.12.2 Functions and operation examples of pointers for branch .................................................................. 146
4.12.3 Functions and operation examples of pointers for interrupt ................................................................ 147
4
PLC) ...................................................................................... 103
PLCs) ................................................................................................ 117
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