Panasonic FP-E - Page 250

Basic Instructions
2 − 140
Outline Performs start operation by comparing two single precision real number
data items with the comparison condition. The contact goes on or off
depending on the result of the comparison.
14
Program example
Ladder
Diagram
Boolean
Ladder Diagram
Address Instruction
F=, DT0, DT100
Y30
0
S1 S2
Y31
10
S1 S2
F>, DT0, DT100
0
9
10
19
STF =
DT 0
DT 100
OT Y 30
STF >
DT 0
DT 100
OT Y 31
S1 Real number data (2 words) or lower 16-bit area of 32-bit data to be compared
S2 Real number data (2 words) or lower 16-bit area of 32-bit data to be compared
Operands
Operand
Relay Timer/Counter Register
Index
register
Constant
Inde
x
Inte
g
er
Operand
WX WY WR WL SV EV DT LD
FL
(*1)
I(*2) K H f
Index
modifier
Integer
device
S1 A 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* A
(*1) This cannot be used with the FPΣ/FP−X.
(*2) I0 to ID.
* Index modification of a real number is not possible.
STF =
STF <>
STF >
STF >=
STF <
STF <=
Floating point real number data
comparison: Start equal
Floating point real number data
comparison: Start equal not
Floating point real number data
comparison: Start larger
Floating point real number data
comparison: Start equal or larger
Floating point real number data
comparison: Start smaller
Floating point real number data
comparison: Start equal or smaller
Availability
FP0R
FP−X Ver 1.10 or more
FPΣ 32k
A
:
A
vailable
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com