Sel language – IAI America DS-S-C1 User Manual
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12. SEL Language
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●
TAN (Tangent)
[Function]
Assigns the tangent of operand 2 to the contents of the variable in operand 1. The output turns
ON when the result of the operation is 0. For the setting in operand 1, designate a real number
variable in the range 100~199, 300~399. The unit in operand 2 is radians.
Note 1:
Radian=Angle x
π÷
180
[Example 1]
TAN
100
0.785398
Assign 1, tangent of 0.785398, to varible in 100.
[Example 2]
LET
1
100
Assign 100 to variable 1.
LET
101
45
45x
π÷
180 (radian) (convert 45°to radian and
MULT
101
3.141592
assign this to variable 101).
DIV
101
180
Assign 1, tangent of contents in variable101 to
TAN
*1
*101
variable 100 (contents of variable 1).
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[Function]
Assigns the arctanagent of operand 2 to the contents of the variable in operand 1. The output
turns ON when the result of the operation is 0. For the settings in operand 1, designate a real
number variable in the range 100
~
199, 300~199. The unit in operand 2 is radians.
Note 1:
Radian=Angle x
π ÷
180
[Example 1]
ATN
100
1
Assign 0.785398, arctangent of 1, to variable 100.
Assign 100 to variable 1.
[Example 2]
LET
1
100
Assign 1 to variable 101.
LET
101
1
Assign 0.785398, arctangent of contents in variable101
TAN
*1
*101
to variable 100 (contents of variable 1).
●
ATN (Arctangent)