21: T
RIGONOMETRIC
F
UNCTION
I
NSTRUCTIONS
21-6
FT1A S
MART
A
XIS
U
SER
’
S
M
ANUAL
FT9Y-B1382
ASIN (Arc Sine)
Applicable CPU Modules
Valid Devices
For the valid device address range, see pages 6-1 and 6-2
(Basic Vol.).
When the data designated by source device S1 is not within the range between –1.0 and 1.0 or does not comply with the normal floating-point
format, a user program execution error will result, turning on special internal relay M8004 and ERR LED on the CPU module. For details about the
user program execution errors, see Chapter 4 “User Program Execution Errors” on page 4-21.
Since the ASIN instruction is executed in each scan while input is on, a pulse input from a SOTU or SOTD instruction should be used as required.
Valid Data Types
Example: ASIN
asin S1·S1+1
D1·D1+1 rad
When input is on, the arc sine of the value designated by source device S1 is stored in radians to
the destination designated by device D1.
The S1·S1+1 value must be within the following range:
-1.0
S1·S1+1
1.0
If the S1·S1+1 value is not within this range, 0 is stored to D1·D1+1.
ASIN(F)
S1
*****
D1
*****
FT1A-12
FT1A-24
FT1A-40
FT1A-48
FT1A-Touch
X
X
X
X
X
Device
Function
I
Q
M
R
T
C
D
Constant
Repeat
S1 (Source 1)
Arc sine value to convert into radian
—
—
—
—
—
—
X
X
—
D1 (Destination 1)
Destination to store conversion results
—
—
—
—
—
—
X
—
—
W (word)
—
Since the floating point data type is used, the source and destination devices use two consecutive data registers.
I (integer)
—
D (double word)
—
L (long)
—
F (float)
X
When input I1 is turned on, the arc sine of the value of data registers D10 and D11
designated by source device S1 is stored to data registers D20 and D21 designated by
destination device D1.
asin –0.7071069
–0.7853982 rad
–0.7853982 rad = – /4 rad
I1
S1
D10
ASIN(F)
D1
D20
SOTU
D1
S1
–0.7071069
D10·D11
–0.7853982
D20·D21
Summary of Contents for microsmart pentra
Page 1: ...FT1A SERIES FC9Y B1382 Ladder Programming Manual ...
Page 6: ...Preface 5 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 104: ...7 DATA COMPARISON INSTRUCTIONS 7 10 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 122: ...8 BINARY ARITHMETIC INSTRUCTIONS 8 18 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 138: ...10 SHIFT ROTATE INSTRUCTIONS 10 12 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 162: ...11 DATA CONVERSION INSTRUCTIONS 11 24 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 188: ...12 CALENDAR COMPARISON INSTRUCTIONS 12 26 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 198: ...15 REFRESH INSTRUCTIONS 15 4 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 202: ...16 INTERRUPT CONTROL INSTRUCTIONS 16 4 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...
Page 266: ...20 DUAL TEACHING TIMER INSTRUCTIONS 20 4 FC5A MICROSMART USER S MANUAL FC9Y B1273 ...
Page 318: ...25 USER COMMUNICATION INSTRUCTIONS 25 22 FT1A SMARTAXIS USER S MANUAL FT9Y B1382 ...