Keyence Visual KV Series Bedienungsanleitung PDF herunterladen (Seite 10)

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Contents

Programming

Chapter 1 Programming

1.1 Before Creating Programs ..............................................................................3-2

1.1.1 Flow from Introduction to Operation ...................................................................3-2

1.1.2 Scan Time ........................................................................................................... 3-3

Scan time .....................................................................................................3-3

Input response time delay ............................................................................3-3

1.2 User Memory ....................................................................................................3-4

1.2.1 Program Capacity ...............................................................................................3-4

Maximum number of lines in a program ....................................................... 3-4

Calculating the byte count used ...................................................................3-4

1.3 Device Configuration .......................................................................................3-5

1.3.1 Device List .......................................................................................................... 3-5

Relay list ......................................................................................................3-5

List of I/O relays in basic units ..................................................................... 3-5

List of relays in expansion units ...................................................................3-6

1.3.2 Relay No. ............................................................................................................3-7

Address No. ................................................................................................. 3-7

Contact No. ..................................................................................................3-8

Channel No. .................................................................................................3-8

1.3.3 Assigning Relay Nos. .......................................................................................... 3-8

1.3.4 Input Relays ........................................................................................................3-9

Basic unit .....................................................................................................3-9

Expansion unit ...........................................................................................3-10

1.3.5 Output Relays ...................................................................................................3-10

Output operation time ................................................................................3-10

1.3.6 Internal Utility Relays ........................................................................................3-11

Retentive function of internal utility relays .................................................. 3-11

1.3.7 Special Utility Relays ........................................................................................ 3-12

Description .................................................................................................3-12

1.3.8 Special Utility Relay List ...................................................................................3-14

Special relays and arithmetic operation flags ............................................3-14

Special utility relays for high-speed counter(0) ..........................................3-14

Special utility relays for high-speed counter(1) ..........................................3-15

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

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