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High
−
level Instructions
3
−
71
Outline
Subtracts 16-bit data from the minuend and stores the result in the
specified area.
For the FP0R/FP
Σ
/FP
−
X/FP0/FP
−
e, the P type high
−
level instruction
“P27 (P
−
)” is not available.
Program example
Ladder Diagram
Boolean
Ladder Diagram
Address
Instruction
10
F27
−
, DT 10 , DT 20 , DT 30
S1
D
S2
R0
Trigger
10
11
ST
R
0
F 27
(
−
)
DT
10
DT
20
DT
30
S1
16-bit equivalent constant or 16-bit area (for minuend)
S2
16-bit equivalent constant or 16-bit area (for subtrahend)
D
16-bit area (for result)
Operands
Operand
Relay
Timer/Counter
Register
Index
register
Constant
Index
Operand
WX WY WR WL
(
*
1)
SV
EV
DT LD
(
*
1)
FL
(
*
2)
IX
(
*
3)
IY
(
*
4)
K
H
Index
modifier
S1
A
A
A
A
A
A
A
A
A
A
A
A
A
A
S2
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D
N/A
A
A
A
A
A
A
A
A
A
A
N/A N/A
A
(
*
1) This cannot be used with the FP0 and FP
−
e.
(
*
2) This cannot be used with the FP0, FP
−
e, FP0R, FP
Σ,
FP
−
X.
(
*
3) With the FP0R, FP
Σ
, FP
−
X, FP2, FP2SH, and FP10SH, this is I0 to IC.
(
*
4) With the FP0R, FP
Σ
, FP
−
X, FP2, FP2SH, and FP10SH, this is ID.
Description
Subtracts the 16-bit data or 16-bit equivalent constant specified by S2 from the 16-bit data or 16-bit equivalent
constant specified by S1. The subtracted result is stored in D.
Minuend data
Result
(S1)
(D)
−
(S2)
Subtrahend data
Flag conditions
・
Error flag (R9007): Turns on and stays on when the area specified using the index modifier
exceeds the limit.
・
Error flag (R9008): Turns on for an instant when the area specified using the index modifier
exceeds the limit.
・
= flag (R900B):
Turns on for an instant when the calculated result is recognized as “0”.
・
Carry flag (R9009): Turns on for an instant when the calculated result exceeds the range of 16-bit
data (overflows or underflows).
F27
P27
(
−
)
(P
−
)
16-bit data subtraction
[S1
−
S2
→
D]
A: Available
N/A: Not Available
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
Summary of Contents for FP-E
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