KEYENCE Visual KV Series - Manual (Page 351)

8.2 Details
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Chapter 8 Programming Examples
■ On-delay circuit
Output relay 0500 turns ON in a specified time after input relay 0000 turns ON.
When input relay 0000 turns OFF, output relay 0500 also turns OFF.
Timing diagram
Ladder diagram Coding
■ Flicker circuit
Output relay 0500 turns ON and OFF repeatedly while input relay 0000 is ON.
Timing diagram
Ladder diagram Coding
■ Accumulator timer (Remains ON in case of power failure)
Counts special utility relay 2006 (1-s clock pulse) for 3600 s at C001 and inputs the
count value to C002. Accumulates the count for 10000 hours and retains the current
count value even when power failure occurs or power is OFF.
Input relay 0000
Reset relay 0001
(Resolution is 1 s at 2006.)
Ladder diagram Coding
0500
0000
2s 1s
0000 #00020
T000
0500 T000
2-s timer
0500
0000
2s
1s 1s
2s
0000 #00020
T000
T000
2-s timer
0500
#00010
T001
T001
1-s timer
Line No. Instruction Operand
0000 LD 0000
0001 TMR 000 #00020
0002 LD T000
0003 OUT 0500
Line No. Instruction Operand
0000 LD 0000
0001 ANB T001
0002 TMR 000 #00020
0003 LD T000
0004 TMR 001 #00010
0005 OUT 0500
0000 #03600
C001
C001
3600-s counter C001
1-s pulse
0001 #10000
C002
10000-s counter
1000
1000
2006
Line No. Instruction Operand
0000 LD 0000
0001 ANB C001
0002 C 001 #03600 2006
0003 LD C001
0004 OUT 1000
0005 LDB 0001
0006 C 002 #10000 1000
KVNKA Chap 08.p65 08.3.11, 0:12 PM 327