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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 AM143
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