Subtraction Of Binary Floating Point Numbers - Delta MS300 Series User Manual

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API
ESUB
121
D
Bit device
X Y
S1
S2
D
Notes on operand usage:
Please refer to the function specifications table for each device in
series for the scope of device usage
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P
Word device
M K H KnX KnY KnM
＊ ＊
＊ ＊
 : minuend. S : subtrahend. D: difference.
S
1 2
 When the content of the register designated by S
of the register designated by S
designated by D; subtraction is performed entirely using binary floating-point
numbers.

If the source operand S
transform that constant into a binary floating point number for use in subtraction.

In the situation when S
"continuous execution" command is employed, when conditional contact is On,
the register will perform addition once during each scan. Pulse execution type
commands (DESUBP) are generally used under ordinary circumstances.
 When X0=On, a binary floating point number (D1, D0) will be subtracted to a
binary floating point number (D3, D2), and the results stored in (D11, D10).
X0
DESUB
 When X2 =On, the binary floating point number (D1, D0) will be subtracted from
K1234 (which has been automatically converted to a binary floating-point
number), and the results stored in (D11, D10).
X2
DESUB
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Chapter 16 PLC Function ApplicationsMS300

Subtraction of binary floating point numbers

16-bit command
－
T C D
＊
32-bit command (13 STEP)
＊
DESUB
＊
Flag signal: none
, the difference will be stored in the register
1
or S designates a constant K or H, the command will
1 2
and S designate identical register numbers, if a
1 2
D0 D10
D2
K1234 D0 D10
16-69
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－ －
Continuous DESUBP
execution type execution type
is subtracted from the content
2
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－
Pulse