Chapter 7 Second Development Platform VP3000
352
API Instruction code Operand Function
132 D TAN P S, D
Binary floating-point number tangent
operation
Type
Operand
Bit devices Word devices
16-bit instruction
- - - -
32-bit instruction (9 steps)
DTAN
Continuous
execution
type
DTANP
Pulse
execution
type
Associated flag: none
X Y M K H KnX KnY KnM T C D
S
D
Caution for using operand
See the specification of each model for the scope of device’s usage.
Description
S: source value
D: operation result of tangent
The source value designated by S can be set as radian or degree, and this is decided by flag
M1018.
M1018 = OFF, radian mode, RAD value = degree x π / 180
M1018 = ON, degree mode, range: 0° degree < 360°
If the operation result is 0, M1020 = ON
Find tangent value from the source value designated by S, and store in the register that D
designates.
See the figure below for the relation between the radian and the operation result:
Example
When X0 = ON, designate the RAD value of the binary floating-point number (D1, D0) to find
the tangent value and stores in (D11, D10). The content is binary floating-point number.
X0
DTAN D0 D10
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