Mitsubishi MELSEC Q Series Programming Manual

7-260
TAND(P)
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and
an error code is stored into SD0.
• The value of the specified device is not in the following range: (Error code: 4140)
0,2
-1022
| value of specified device | < 2
1024
• The value of the designated device is 0. (Error code: 4140)
• The result exceeds the following range (Operation results in an overflow):
2
1024
| Operation result | (Error code: 4141)
Program Example
(1) The following program performs a TAN operation on the angle data set by the 4 BCD digits
from X20 to X2F, and stores the results as 64-bit floating decimal point type real numbers at
D0 to D3.
[Ladder Mode]
[List Mode]
[Operations involved when X20 to X2F designate a value of 135]
Inputs an angle used for TAN
operation ( ).
Converts the input angle into a
64-bit floating-point real number ( ).
Converts the converted angle into a
radian value ( ).
Executes TAN operation
using the
converted radian value ( ).
1
2
3
4
Step Instruction Device
64-bit floating-point
real number
X2F
BCD value
0
D30
135
X20
Conversion
to BIN
BIN
b15
b0
BIN value
Conversion to radian
RADD
TAN operation
TAND
135
Conversion to
floating-point
FLTD
D21
135
D20D23 D22
64-bit floating-point
real number
D21
2.356194
D20D23 D22
64-bit floating-point
real number
D21
-1.000000
D20D23 D22
1
2
3
4

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English