4
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instructions Edition
Table of Contents
4.5.1 Numbers of timers ......................................................................................................................... 79
4.5.2 Functions and operation examples................................................................................................ 79
4.5.3 Set value specification method...................................................................................................... 80
4.5.4 Cautions on routines...................................................................................................................... 80
4.5.5 Details of timer operation and timer accuracy ............................................................................... 80
4.5.6 Program examples [off-delay timer and flicker timer] .................................................................... 81
4.5.7 Handling timers as numeric devices.............................................................................................. 82
4.6.1 Numbers of counters ..................................................................................................................... 83
4.6.2 Features of counters...................................................................................................................... 83
4.6.3 Related devices (to specify counting direction) [32-bit counter] .................................................... 83
4.6.4 Functions and operation examples................................................................................................ 84
4.6.5 Set value specification method...................................................................................................... 85
4.6.6 Response speed of counters......................................................................................................... 86
4.6.7 Handling counters as numeric devices.......................................................................................... 86
4.7.1 Types and device numbers of high speed counters ...................................................................... 88
4.7.2 Input assignment for high speed counters..................................................................................... 91
4.7.3 Handling of high speed counters ................................................................................................... 92
4.7.4 Current value update timing and comparison of current value ...................................................... 94
4.7.5 Related devices ............................................................................................................................. 95
4.7.6 Changing the logic of external reset input signal........................................................................... 96
4.7.7 Assignment of counter input terminal and switching of function.................................................... 96
4.7.8 How to use 2-phase 2-counting input counter C251 to C255 at 4 edge count. ............................. 97
4.7.9 Condition handled as software counters ....................................................................................... 98
4.7.10 Response frequency of high speed counters .............................................................................. 99
4.7.11 Cautions on use......................................................................................................................... 101
4.8.1 Numbers of data registers and file registers................................................................................ 102
4.8.2 Structures of data registers and file registers .............................................................................. 103
4.8.3 Functions and operation examples of data registers................................................................... 104
4.8.4 Functions and operation examples of file registers ..................................................................... 106
4.8.5 Cautions on using file registers ................................................................................................... 109
4.9.1 Numbers of extension registers and extension file registers ....................................................... 110
4.9.2 Data storage destination and access method ............................................................................. 110
4.9.3 Structures of extension registers and extension file registers ..................................................... 111
4.9.4 Initialization of extension registers and extension file registers................................................... 111
4.9.5 Functions and operation examples of extension registers .......................................................... 112
4.9.6 Functions and operation examples of extension file registers..................................................... 113
4.9.7 Cautions on using extension file registers ................................................................................... 114
4.9.8 Registration of data of extension registers and extension file registers ...................................... 115
4.10.1 Numbers of index registers........................................................................................................ 119
4.10.2 Functions and structures ........................................................................................................... 119
4.10.3 Indexing of devices.................................................................................................................... 120
4.11.1 Numbers of pointers .................................................................................................................. 121
4.11.2 Functions and operation examples of pointers for branch......................................................... 121
4.11.3 Functions and operation examples of pointers for interrupt ...................................................... 122
