Mitsubishi Electric MELSEC FX Series - 7.12.22 DACOS

7 Applied Instructions
7.12 Floating Point
502
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
7.12.22 DACOS
Outline
This instruction executes COS
-1
operation.
→ As for handling of floating decimal point, refer to FX Structured Programming Manual (Device &
Common).
1. Format and operation, execution form
2. Set data
3. Applicable devices
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder ST
DACOS 32 bits Continuous DACOS(EN, s, d);
DACOSP 32 bits Pulse DACOSP(EN, s, d);
Variable Description Data type
Input
variable
EN Execution condition Bit
Head device for storing the COS value for COS
-1
(reverse cosine)
operation.
FLOAT(Single
Precision)
Output
variable
ENO Execution state Bit
Head device for storing the operation result.
FLOAT(Single
Precision)
Operand
type
Bit Devices Word Devices Others
System user Digit designation
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
VZModifierK H E
"
"
P
zz z z z
zz z z
DACOS
EN ENO
d
s
DACOSP
EN ENO
d
s