KEYENCE Visual KV Series - Manual (Page 372)

8.2 Details
3-348
8
Chapter 8 Programming Examples
Line No. Instruction Operand Line No. Instruction Operand
0000 LD 2002 0012 LDA DM0001
0001 LDA DM0000 0013 CON
0002 CON 0014 SUB DM0000
0003 SUB DM0001 0015 CON
0004 MPS 0016 CMP #00005
0005 ANB 2009 0017 CON
0006 CMP #00005 0018 ANB 2009
0007 CON 0019 OUT 1001
0008 ANB 2009 0020 LD 1000
0009 OUT 1000 0021 OR 1001
0010 MPP 0022 OUT 0500
0011 AND 2009
0000
LDA
C001
STA
DM0001 #09999
C001
0001
0000
LDA
C002
STA
DM0002 #09999
C002
0002
0000
LDA
C003
STA
DM0003 #09999
C003
0003
2002
ADD
DM0002
LDA
DM0001
STA
DM0100
ADD
DM0003
2002
CMP
#0005 2009
LDA
DM0000
SUB
DM0001 1000 2009
CMP
#0005
SUB
DM0000
LDA
DM0001 2009 1001 2009
1000 0500
1001
■ Total count
Writes total count of counters C001 to C003 into DM0100. The total count must be
within 65535.
Ladder diagram
Coding
Line No. Instruction Operand Line No. Instruction Operand
0000 LDB 0000 0013 C 003 #09999 0003
0001 C 001 #09999 0001 0014 CON
0002 CON 0015 LDA C003
0003 LDA C001 0016 CON
0004 CON 0017 STA DM0003
0005 STA DM0001 0018 LD 2002
0006 LDB 0000 0019 LDA DM0001
0007 C 002 #09999 0002 0020 CON
0008 CON 0021 ADD DM0002
0009 LDA C002 0022 CON
0010 CON 0023 ADD DM0003
0011 STA DM0002 0024 CON
0012 LDB 0000 0025 STA DM0100
Writes C001 current value into DM0001.
Writes C002 current value into DM0002.
Writes C003 current value into DM0003.
Writes total count (DM0001 + CM0002 + DM0003) into
DM100.
➮ Refer to p. 3-150.
Application of SUB instruction
■ Comparison of absolute values
Compares the DM0000 value to the DM0001 value and turns ON 0500 when the
difference of the two absolute values is greater than 5.
Ladder diagram
Coding
➮ Refer to p. 3-150.
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