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7-313
BTAN(P)
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7.12 Special function instructions
7.12.31 BCD type TAN operation (BTAN(P))
7.12.31 BCD type TAN operation (BTAN(P))
BTAN(P)
Function
(1) Calculates TAN (tangent) value for value (angle) designated by , and stores the sign for
the operation result in the word device designated by , and the operation result in the
word device designated by +1 and +2.
(2) The value designated at is a BCD value which can be between 0 and 360 degrees
(in units of degrees).
(3) The sign for the operation result stored in will be "0" if the result is a positive value, and
"1" if the result is a negative value.
(4) The operation results stored at +1 and +2 are BCD values within the range of from
57.2901 and 57.2902.
(5) Operation results are rounded off from the fifth decimal place.
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 data designated by is not a BCD value. (Error code: 4100)
• The data designated by is not in the range of from 0 to 360. (Error code: 4100)
• The data designated by is 90
° or 270°. (Error code: 4100)
• The device specified by exceeds the range of the corresponding device.
(For the Universal model QCPU only.) (Error code: 4101)
: Data of which the TAN (tangent) value is obtained or head number of the devices where the data is stored
(BCD 4 digits)
: Head number of the devices where the operation result will be stored (BCD 4 digits)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
K, H
Other
Bit Word Bit Word
––
–– –– ––
Process
High
performance
Redundant
Universal
Basic
BTAN
Command
Command
BTANP
BTANP
BTAN
S
D
S D
S
D
S
D
S
D
D D
+2
D
S
Integer part Decimal fraction part
.
D
Sign
TAN
+1
D
S
D
D D
S
S
S
D