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Mitsubishi FX3G Series Programming Manual

Mitsubishi FX3G Series
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515
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
18 Floating Point – FNC110 to FNC139
18.21 FNC133 – ASIN / Floating Point Arc Sine
11
FNC30-FNC39
Rotation and
Shift
12
FNC40-FNC49
Data Operation
13
FNC50-FNC59
High-Speed
Processing
14
FMC60-FNC69
Handy
Instruction
15
FNC70-FNC79
External FX I/O
Device
16
FNC80-FNC89
External FX
Device
17
FNC100-FNC109
Data
Transfer 2
18
FNC110-FNC139
Floating Point
19
FNC140-FNC149
Data
Operation 2
20
FNC150-FNC159
Positioning
Control
18.21 FNC133 – ASIN / Floating Point Arc Sine
Outline
This instruction executes SIN
1
(arc sine) operation.
For handling of floating point, refer to Subsection 5.1.3.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 32-bit operation (DASIN and DASINP)
An angle is obtained from the sine value stored in [ +1, ], and stored to [ +1, ].
A real number can be directly specified as .
The sine value stored in [ +1, ] can be set ranging from 1.0 to +1.0.
The angle (operation result) stored in [ +1, ] is expressed in radians (from −π/2 to π/2).
For conversion between radians and degrees, refer to the RAD (FNC136) and DEG (FNC137) instructions.
For the RAD (FNC136) instruction, refer to Section 18.24.
For the DEG (FNC137) instruction, refer to Section 18.25.
Error
An operation error is caused in the following case; The error flag M8067 turns ON, and the error code is stored in
D8067.
When a value specified in is outside the range from 1.0 to +1.0 (error code: K6706)
Operand Type Description Data Type
Head device number storing a sine value used in SIN
1
(arc sine) operation.
Real number (binary)
Head device number storing the operation result
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD.b KnX KnY KnM KnS T C D R U\G VZModifyKH E ""P
33 3 3 3
33 3 3
Mnemonic Operation Condition
16-bit Instruction
DASIN
DASINP
Mnemonic Operation Condition
32-bit Instruction
9 steps
Continuous
Operation
Pulse (Single)
Operation
P
FNC 133
ASIN
D
S
D
S
D
S
S
D
D
S
Command
input
FNC133
DASIN
S
D
+1
Binary floating point
(real number)
+1
Binary floating point
(real number)
SIN
1
S
S
D
D
S
S
D
D
S

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Mitsubishi FX3G Series Specifications

General IconGeneral
ModelFX3G Series
Power SupplyAC 100-240V or DC 24V
Program Capacity32, 000 steps
Execution Speed0.21 µs/basic instruction
Communication OptionsRS-422, USB, Ethernet
Expansion ModulesAnalog, digital, communication
Programming LanguageLadder Logic, Instruction List
Built-in FunctionsHigh-speed counters, pulse output
Analog I/OAvailable via expansion modules

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