KEYENCE KV Series - Manual (Page 21)

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Other special utility relays .......................................................................... 3-15
1.3.9 Timers and Counters ........................................................................................ 3-18
Timer/Counter list ....................................................................................... 3-18
Description ................................................................................................. 3-18
1.3.10 Data Memories ................................................................................................. 3-19
1.3.11 Temporary Data Memory .................................................................................. 3-21
1.3.12 Relay Nos. and Functions ................................................................................. 3-22
1.4 Special Functions .......................................................................................... 3-23
1.4.1 Input Time Constant Change Function ............................................................. 3-23
Setting the input time constant for basic units using special utility relays .. 3-23
1.4.2 Modifying the Input Relay Time Constant ......................................................... 3-24
Modification within the CPU ....................................................................... 3-24
1.4.3 Constant Scan Time Mode ............................................................................... 3-25
1.4.4 Output Disabled Function ................................................................................. 3-26
1.4.5 Input Refresh Disabled Function ...................................................................... 3-26
1.4.6 Contact Comment Save Function ..................................................................... 3-27
1.4.7 Special Functions ............................................................................................. 3-28
Constant Scan Time Mode ........................................................................ 3-28
Output Disabled Function .......................................................................... 3-28
Input Refresh Disabled Function ................................................................ 3-28
1.5 Extended Ladder Diagrams .......................................................................... 3-29
1.5.1 Features of Extended Ladder Diagrams ........................................................... 3-29
1.5.2 Advantages of Extended Ladder Diagrams ...................................................... 3-30
1.5.3 Example of an Extended Ladder Diagram ........................................................ 3-31
Chapter 2 Instructions
2.1 Instruction List [Visual KV Series] .............................................................. 3-34
2.1.1 Basic Instructions .............................................................................................. 3-34
2.1.2 Application Instructions ..................................................................................... 3-36
2.1.3 Arithmetic Instructions ...................................................................................... 3-38
2.1.4 Interrupt Instructions ......................................................................................... 3-41
2.1.5 Function No. List (Alphabetical order) .............................................................. 3-41
2.2 Instruction List [KV-300 Series, KV-10/80] ................................................. 3-42
2.2.1 Basic Instructions .............................................................................................. 3-42
2.2.2 Application Instructions ..................................................................................... 3-45
2.2.3 Arithmetic Instructions ...................................................................................... 3-48
2.2.4 Interrupt Instructions ......................................................................................... 3-54
2.3 Convention Details ........................................................................................ 3-55
2.4 Instruction Details .......................................................................................... 3-56
2.4.1 Basic Instructions .............................................................................................. 3-56
2.4.2 Application Instructions ..................................................................................... 3-95
2.4.3 Arithmetic Instructions .................................................................................... 3-134
2.5 Programming Notes ..................................................................................... 3-189
Chapter 3 Interrupts Visual KV
3.1 Interrupt Instructions ................................................................................... 3-192
3.2 Interrupt Processing .................................................................................... 3-194
3.2.1 Interrupt Processing ........................................................................................ 3-194
3.2.2 Types of Interrupts .......................................................................................... 3-195
3.2.3 Interrupt Priority .............................................................................................. 3-196
3.2.4 Interrupt Program ............................................................................................ 3-196
3.3 Direct Input/Output ...................................................................................... 3-197
3.3.1 Direct Input ..................................................................................................... 3-197
3.3.2 Direct Output ................................................................................................... 3-197
3.4 Applications of Interrupt Programs ........................................................... 3-198
3.4.1 Interrupt with a Signal Converter .................................................................... 3-198
3.4.2 Interrupt with a High-speed Counter ............................................................... 3-199
3.4.3 Measuring the ON Time of High-speed Pulses .............................................. 3-200
3.4.4 Measuring the Period in which a Target Passes between Two Points ........... 3-201
Chapter 4 High-speed Counters Visual KV
4.1 High-speed Counter Instructions ............................................................... 3-204
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