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Program example
• The following program calculates the tangent of the data stored in the 3 BCD digits from X20 to X2B, and stores the integer
part of the results in the 4 BCD digits from Y50 to Y53, and the decimal fraction part in the 4 BCD digits from Y40 to Y4F.
Y60 is turned ON if the results of the operation are negative.
[Ladder Mode]
[List Mode]
Step
Instruction
[Operations involved when X20 to X2B designate a value of 390]
D10
X20 B/ operation
X2B
1
3 9 0
0 0 0 1
BCD value
B/
BCD value
(quotient)
D11
0 0 3 0
BCD value
(remainder)
Processes so that the input
angle is within 360° (
Device
BTAN
2
D20
operation
0 0 0 0
BTAN
BCD value
D21
0 0 0 0
BCD value
D22
5 7 7 4
BCD value
)
1
2
3
4
5
5
Y60 OFF
OUT
Transfer
Y53
Y50
3
0
MOV
BCD value
Transfer
Y4F
Y40
4
5 7 7 4
MOV
BCD value
7 APPLICATION INSTRUCTIONS
7.12 Special Function Instructions
7
655
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