KEYENCE Visual KV Series - Manual (Page 109)

2.4 Instruction Details
1
2
3-85 Chapter 2 Instructions
■ Asynchronous shift register
Turns ON input relay 0002 to reset the shift register (1000 to 1010) when the data
input to 0000 does not synchronize with the clock input to 0001.
Coding
Timing diagram
2003
0001
0002
SFT
D
1000
CLK
1010
RES
1100
0000 1100
DIFU
1000
SET
Line No. Instruction Operand
0000 LD 0000
0001 DIFU 1100
0002 LD 1100
0003 SET 1000
0004 LD 2003
0005 LD 0001
0006 LD 0002
0007 SFT 1000 1010
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
1001
0000
0001
1002
1000
Scan
SFT
KVNKA Chap 02_4aP.p65 08.3.11, 11:58 AM 85