beautypg.com

2 examples of ladder programs, Example of displaying user messages, Visual kv series – KEYENCE Visual KV Series User Manual

Page 167

background image

Chapter 4 KV-D20 Operator Interface Panel

1-143

1

4

Visual KV

Series

4.3.2

Examples of Ladder Programs

This section includes examples of ladder programs for actual use of the KV-D20,
along with the operator screen display and comment to be entered.
Refer to "Before creating ladder programs" on page 1-135 for the notes about
contact comment entry and details about the comment type and attributes.

Example of displaying user messages

Display user messages.
The user messages are displayed at the rising edge of inputs 0000 through 0002.
A beep sounds for three seconds only when input 0002 turns ON.
The user message is canceled by pressing the key of the KV-D20.

Operator screen

4.3 Examples of Ladder Programs

F1

F2

F3

F4

1

2

3

4

F1

F2

F3

F4

1

2

3

4

F1

F2

F3

F4

1

2

3

4

When input 0000 turns ON

OUT OF MATERIAL

When input 0001 turns ON

Beep

REACHED

TARGET FIGURE

When input 0002 turns ON

GO TO PRODUCT B

5 MORE PRODUCTS

KVHKA Chap 04.p65

08.3.11, 11:13 AM

143