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4.5.1 Specified Frequency Pulse Output Function ..................................................3-228
4.5.2 Applications of the Specified Frequency Pulse Output ...................................3-229
4.5.3 Frequency Counter Function .......................................................................... 3-231
4.5.4 Applications of Frequency Counters ...............................................................3-232
4.5.5 Cam Switch Function ......................................................................................3-233
Cam switch mode ....................................................................................3-233
Multi-step comparator mode .................................................................... 3-234
Setting method .........................................................................................3-234
4.5.6 Application of the Cam Switch (Cam Switch Mode) ....................................... 3-236
4.6 Direct Clock Pulse Output ...........................................................................3-237
4.6.1 Outline of Direct Clock Pulse Output .............................................................. 3-237
4.6.2 Pulse Output Setting with the High-speed Counter Comparator .................... 3-238
Changing the pulse period and width ....................................................... 3-238
Calculating the pulse period and comparator preset value ......................3-239
Operation with special utility relays ..........................................................3-239
4.7 Examples of Direct Clock Pulse Output ....................................................3-242
4.7.1 Example of Outputting a Pulse with 1:1 ON/OFF Ratio ..................................3-242
4.7.2 Example of Outputting a Pulse with Variable ON/OFF Ratio .......................... 3-245
4.7.3 Example of Stopping the Pulse Output at a Specified Pulse Count ...............3-249
4.7.4 Application of Direct Clock Pulse Output (Ramp-up/down control) ................3-251
Chapter 5 Positioning Control Visual KV
5.1 Outline of Positioning Control ....................................................................3-254
5.1.1 Ramp-up/down Control ...................................................................................3-254
5.2 Parameter Setting and Operating Procedures ..........................................3-255
5.2.1 Parameter Setting Procedure ......................................................................... 3-255
5.2.2 Operating Procedure ......................................................................................3-257
5.3 Examples of Using the Positioning Control Function ..............................3-258
5.3.1 Connection Example ....................................................................................... 3-258
5.3.2 Tips .................................................................................................................3-258
5.3.3 Application Examples of the Positioning Control Function .............................3-259
Chapter 6 Interrupts, High-speed Counters,
Positioning Control KV-300, KV-10/80
6.1 Interrupt Instructions ...................................................................................3-268
6.1.1 Description of Interrupts .................................................................................. 3-268
Input processing for routine program and interrupt routine ......................3-268
Types of interrupt .....................................................................................3-268
Interrupt priority ........................................................................................3-269
Interrupt routine ........................................................................................ 3-269
Direct output ............................................................................................. 3-270
Direct input ...............................................................................................3-270
6.1.2 Interrupt Instructions .......................................................................................3-271
6.2 Direct Clock Pulse ........................................................................................ 3-276
6.2.1 Output of Direct Clock Pulse ........................................................................... 3-276
Outline of High-Speed Counters ..............................................................3-276
Outline of Pulse Output ............................................................................3-279
Examples of Pulse Output .......................................................................3-284
6.3 Positioning Control ......................................................................................3-296
6.3.1 Positioning Control (Ramp-up/down Control) ................................................. 3-296
Outline of positioning control .................................................................... 3-296
Setting and application of parameters .....................................................3-297
Examples of stepping motor control ......................................................... 3-300
Chapter 7 Serial Communication
7.1 Communications Specifications ................................................................3-306
7.1.1 Communications Specification ........................................................................ 3-306
7.1.2 Connection with the KV Unit ...........................................................................3-306
7.1.3 Connecting the KV-300 CPU to a Personal Computer ...................................3-307
7.2 Serial Communication .................................................................................3-308
7.2.1 Command Transmission Procedure ............................................................... 3-308
KVNKA Front_Pro.p65 08.3.11, 0:13 PM12
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