Siemens S5-100U - Page 463

S5-100U Operations List, Machine Code and List of Abbreviations
* 1 RLO dependent ? 2 RLO affected ? 3 RLO reloaded ?
S Set counter.
R Reset counter.
Arithmetic Operations
-F Subtract one fixed-point
number from another:
ACCU 2 - ACCU 1.
CC 1/CC 0/OV are affected.
+F Add two fixed-point numbers:
ACCU 1+ACCU 2.
CC 1/CC 0/OV are affected.
Oper-
ation
(STL)
RLO*
1
Function
2 3
Y
Y
C
C
N Y
N Y
N N N
N N N
Comparison Operations
!=F Compare two fixed-point
numbers for “equal to”: If
ACCU 2=ACCU 1, the RLO
is “1”.
CC 1/CC 0 are affected.
><F Compare two fixed-point
numbers for “not equal to”: If
ACCU 2 ACCU 1, the RLO
is “1”.
CC 1/CC 0 are affected.
N Y N
N Y N
Counter Operations (cont.)
55 26 1.6
58 23 1.6
79 24 1.6
82 27 1.6
69 12 96
118 67 141
>F Compare two fixed-point
numbers for “greater than”:
If ACCU 2 > ACCU 1, the
RLO is “1”. CC 1/CC 0 are
affected.
N Y N
>=F Compare two fixed-point
numbers for “greater than or
equal to”: If ACCU 2
ACCU 1, the RLO is “1”.
CC 1/CC 0 are affected.
<F Compare two fixed-point
numbers for “less than”:
If ACCU 2 < ACCU 1, the
RLO is “1”. CC 1/CC 0 are
affected.
<=F Compare two fixed-point
numbers for “less than or equal
to”: If ACCU 2 ACCU 1, the
RLO is “1”. CC 1/CC 0 are
affected.
N Y N
N Y N
N Y N
79 24 1.6
79 24 1.6
82 27 1.6
82 27 1.6
CPU 103
MA02 MA03
Execution Time in µs
CPU 100 CPU 102
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1.9
1.9
Permissible
Operands
EWA 4NEB 812 6120-02 A-5