Siemens SIMATIC S5-100U System Manual page 489

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