Omron CP1E CPU UNIT SOFTWARE - Page 14

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CP1E CPU Unit Software User’s Manual(W480)
Section 8 Overview of Built-in Functions and Allocations
8-1 Built-in Functions .................................................................................................................... 8-2
8-2 Overall Procedure for Using CP1E Built-in Functions ......................................................... 8-3
8-3 Terminal Allocations for Built-in Functions ........... .... .... ... .... .... ... .... ....8-4
8-3-1 Specifying the Functions to Use.................................................................................................. 8-4
8-3-2 Selecting Functions in the PLC Setup......................................................................................... 8-4
8-3-3 Allocating Built-in Input Terminals ...............................................................................................8-6
8-3-4 Allocating Built-in Output Temrinals ............................................................................................8-8
Section 9 Quick-response Inputs
9-1 Quick-response Inputs............................................................................................................ 9-2
9-1-1 Overview .....................................................................................................................................9-2
9-1-2 Flow of Operation........................................................................................................................ 9-3
Section 10 Interrupts
10-1 Interrupts ................................................................................................................................ 10-2
10-1-1 Overview ...................................................................................................................................10-2
10-2 Input Interrupts ...................................................................................................................... 10-3
10-2-1 Overview ...................................................................................................................................10-3
10-2-2 Flow of Operation...................................................................................................................... 10-4
10-2-3 Application Example..................................................................................................................10-7
10-3 Scheduled Interrupts........................................................................................................... 10-10
10-3-1 Overview .................................................................................................................................10-10
10-3-2 Flow of Operation.................................................................................................................... 10-11
10-4 Precautions for Using Interrupts........................................................................................ 10-13
10-4-1 Interrupt Task Priority and Order of Execution ........................................................................10-13
10-4-2 Related Auxiliary Area Words and Bits ................................................................................... 10-13
10-4-3 Duplicate Processing in each Task .........................................................................................10-13
Section 11 High-speed Counters
11-1 Overview................................................................................................................................. 11-2
11-1-1 Overview ...................................................................................................................................11-2
11-1-2 Flow of Operation...................................................................................................................... 11-3
11-1-3 Specifications............................................................................................................................ 11-7
11-2 High-speed Counter Inputs...................................................................................................11-8
11-2-1 Pulse Input Methods Settings ...................................................................................................11-8
11-2-2 Counting Ranges Settings ...................................................................................................... 11-10
11-2-3 Reset Methods........................................................................................................................11-11
11-2-4 Reading the Present Value .....................................................................................................11-12
11-2-5 Frequency Measurement ........................................................................................................11-13
11-3 High-speed Counter Interrupts........................................................................................... 11-14
11-3-1 Overview .................................................................................................................................11-14
11-3-2 Present Value Comparison .....................................................................................................11-17
11-3-3 High-speed Counter Interrupt Instruction................................................................................11-21
11-4 Related Auxiliary Area Bits and Words ............................................................................. 11-26
11-5 Application Example .......................................................................................................... 11-27