
8.2 Details
3-343
1
8
Chapter 8 Programming Examples
2002
0000
0500
#00010
T000
0500 T000
STA
T000
TMIN
0
2002
0000
0500
#00010
T000
0500 T000
STA
T002
STA
T001
STA
T000
TMIN
0
0001
0501
#00010
T001
0501 T001
0002
0502
#00010
T002
0502 T002
Arithmetic Instructions
Applications of TMIN (Analog timer) instruction
■ Changing timer setting value
Uses analog timer (TMIN0) to change the timer setting value (0 to 24.9 s).
Ladder diagram Coding
■ Changing setting values of multiple timers
Uses analog timer (TMIN0) to change setting values of multiple timers (0 to 24.9 s).
Ladder diagram Coding
* In the above example, T000, T001,
and T002 have the same setting value.
➮
Refer to p. 3-138.
Applications of LDA/STA instruction
■ First-in first-out (FIFO)
DM data flow
Line No. Instruction Operand
0000 LD 2002
0001 TMIN 0
0002 CON
0003 STA T000
0004 LD 0000
0005 OR 0500
0006 TMR 000 #00010
0007 ANB T000
0008 OUT 0500
Line No. Instruction Operand
0000 LD 2002
0001 TMIN 0
0002 CON
0003 STA T000
0004 CON
0005 STA T001
0006 CON
0007 STA T002
0008 LD 0000
0010 TMR 000 #00010
0011 ANB T000
0012 OUT 0500
0013 LD 0001
0014 OR 0501
0015 TMR 001 #00010
0016 ANB T001
0017 OUT 0501
0018 LD 0002
0019 OR 0502
0020 TMR 002 #00010
0009 OR 0500
0021 ANB T002
0022 OUT 0502
DM0002
DM0000
DM0001
DM0003
DM0004
Data shift
OK/NG judgement
Unloading timing
KVNKA Chap 08.p65 08.3.11, 0:12 PM343
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