KEYENCE Visual KV Series User Manual
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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
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