Delta AH500 Programming Manual page 513
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Also See for AH500:
- Manual (780 pages) ,
- Hardware operation manual (681 pages) ,
- Hardware manual (229 pages)
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API
Instruction code
1516
FPOW
Device X
Y
M
S
1
S
2
D
Symbol:
Explanation:
1.
The single-precision floating-point number in S
the operation result is stored in D.
[ S2 +1, S2 ]
2.
D=POW[S
+1, S
]
1
1
3.
The value in S
only can be a positive value, whereas the value in S
1
a negative value. The register specified by D should be a 32-bit register, and the values in S
and S
should be floating-point numbers.
2
S2
4.
S
=D
1
5.
Suppose the values in S
6.
If the absolute value of the operation result is large than the value which can be represented
by the maximum floating-point number, SM602 is ON.
7.
If the absolute value of the operation result is less than the value which can be represented by
the minimum floating-point number, SM601 is ON.
8.
If the absolute value of the conversion result is large than the value which can be represented
by the maximum floating-point number, the value in D is 16#7F7FFFFF.
9.
If the absolute value of the conversion result is less than the value which can be represented
by the minimum floating-point number, the value in D is 16#7F7FFFFF.
10. If the operation result stored in D is 0, SM600 is ON.
Example:
1.
When X0.0 is ON, the values in (D1, D0) and (D3, D2) are converted into the floating-point
numbers, and the conversion results are stored in (D11, D10) and (D13, D12) respectively.
2.
When X0.1 is ON, the floating-point number in (D11, D10) is raised to the power of the
floating-point number in (D13, D12), and the operation result is stored in (D21, D20).
3.
When X0.2 is ON, the binary floating-point number in (D21, D20) is converted into the
binary-coded decimal floating-point number, and the conversion result is stored in (D31, D30).
Operand
P
S
, S
, D
1
2
S
T
C
HC
D
Pulse instruction 16-bit instruction (7-9 steps) 32-bit instruction
AH500
： Device in which the base is stored
S
1
： Device in which the power is stored
S
2
Device in which the operation result is
D ：
stored
and S
are 5 and 3 respectively. D=5
1
2
Ch a pt er 6 Ap p l i ed I ns t r uc t i ons
A power of the floating-point
number
L
SM SR
E
PR
AH500
is raised to the power of the value in S
1
can be a positive value or
2
3
=125.
Function
K
16# "$"
DF
-
Double word
Double word
Double word
, and
2
1
6 - 3 4 5
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