KEYENCE Visual KV Series - Manual (Page 122)

2.4 Instruction Details
3-98
2
Chapter 2 Instructions
Example
Coding
Timing chart
● W-UE
• When input relay 0000 is ON, output relay 0500 turns ON at rising edge of first
operand relay 0001.
• As soon as input relay 0000 turns OFF, output relay 0500 turns OFF.
● W-DE
• When input relay 0002 is ON, output relay 0501 turns ON at falling edge of first
operand relay 0003.
• As soon as input relay 0002 turns OFF, output relay 0501 turns OFF.
W-UE: Wait Up Edge
W-DE: Wait Down Edge
Turns ON second operand relay at rising
edge of first operand relay contact.
Turns ON second operand relay at falling
edge of first operand relay contact.
Line No. Instruction Operand
0000 LD 0000
0001 W-UE 0001 1000
0002 LD 1000
0003 OUT 0500
0004 LD 0002
0005 W-DE 0003 1001
0006 LD 1001
0007 OUT 0501
nnnn
mmmm
nnnn
mmmm
W-UE
E
W-DE
L o
0000
1000 0500
0001
1000
0002
1001 0501
0003
1001
W-UE
W-DE
ON
0000
0001
1000
0500
OFF
ON
OFF
ON
ON
0002
0003
1001
0501
OFF
ON
OFF
ON
:
:
W-UE / W-DE
KVNKA Chap 02_4bP.p65 08.3.11, 11:59 AM 98