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21: T
RIGONOMETRIC
F
UNCTION
I
NSTRUCTIONS
21-8
FC6A S
ERIES
MICROS
MART
L
ADDER
P
ROGRAMMING
M
ANUAL
FC9Y-B1726
ATAN (Arc Tangent)
Valid Devices
For valid device address ranges, see "Device Addresses" on page 2-1.
When the data designated by source device S1 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 FC6A Series MICROSmart. For details about the user program execution errors, see
"User Program Execution Errors" on page 3-10.
Since the ATAN instruction is executed in each scan while input is on, a pulse input from a SOTU or SOTD instruction should be used.
Valid Data Types
Example: ATAN
atan S1·S1+1
→
D1·D1+1 rad
When input is on, the arc tangent of the value assigned by source device S1 is stored in radians
to the destination assigned by device D1.
ATAN(F)
S1
*****
D1
*****
Device
Function
I
Q
M
R
T
C
D
P
Constant
Repeat
S1 (Source 1)
Arc tangent value to convert into radian
—
—
—
—
—
—
X
—
X
—
D1 (Destination 1)
Destination to store conversion results
—
—
—
—
—
—
X
—
—
—
W (word)
—
Since floating point data 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 tangent of the value of data registers D10 and D11
assigned by source device S1 is stored to data registers D20 and D21 assigned by
destination device D1.
I1
S1
D10
ATAN(F)
D1
D20
SOTU
atan 0.4142136
→
0.3926991 rad
0.3926991 rad =
π
/8 rad
D1
S1
0.4142136
D10·D11
0.3926991
D20·D21
Содержание MICROSmart FC6A Series
Страница 1: ...B 1726 7 FC6A SERIES Ladder Programming Manual ...
Страница 8: ...Preface 7 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 32: ...1 OPERATION BASICS 1 20 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 96: ...3 INSTRUCTIONS REFERENCE 3 18 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 130: ...4 BASIC INSTRUCTIONS 4 34 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 158: ...6 DATA COMPARISON INSTRUCTIONS 6 10 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 192: ...9 SHIFT ROTATE INSTRUCTIONS 9 12 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 216: ...10 DATA CONVERSION INSTRUCTIONS 10 24 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 248: ...11 WEEK PROGRAMMER INSTRUCTIONS 11 32 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 272: ...12 DISPLAY INSTRUCTIONS 12 24 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 284: ...14 REFRESH INSTRUCTIONS 14 6 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 288: ...15 INTERRUPT CONTROL INSTRUCTIONS 15 4 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 294: ...16 COORDINATE CONVERSION INSTRUCTIONS 16 6 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 374: ...18 PULSE OUTPUT INSTRUCTIONS 18 78 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 Setting ...
Страница 450: ...20 DUAL TEACHING TIMER INSTRUCTIONS 20 4 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 502: ...25 DATA LOG INSTRUCTIONS 25 22 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 546: ...26 SCRIPT 26 44 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 574: ...27 FLOW CALCULATION INSTRUCTIONS 27 28 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 583: ...FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 28 9 28 USER DEFINED MACRO INSTRUCTION ...
Страница 584: ...28 USER DEFINED MACRO INSTRUCTION 28 10 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...
Страница 598: ...APPENDIX A 14 FC6A SERIES MICROSMART LADDER PROGRAMMING MANUAL FC9Y B1726 ...