Siemens SIMATIC S5 Manual page 247

S5-115F Manual
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Operands
Ope-
ration
(STL)
I Q F T
Timer Operations
SP •
SE •
SR •
SS •
SF •
R •
Counter Operations
CU
CD
S
R
Arithmetic Operations
+F
- F
EWA 4NEB 811 6149-02
1 RLO-depend.? Execution time
2 RLO affected?
3 RLO reloaded?
C 1 2 3
Y N Y
Y N Y
Y N Y
Y N Y
Y N Y
Y N Y
• Y N Y
• Y N Y
• Y N Y
• Y N Y
N N N
N N N
in µsec.
CPU
942F
Start timer (in accumulator 1) as pulse (signal contracting) on
121
leading edge of the RLO
Start timer (in accumulator 1) as extended pulse (signal
121
contracting and stretching) on leading edge of the RLO
Start timer (in accumulator 1) as on-delay on leading edge of
124
the RLO
Start timer (in accumulator 1) as stored on-delay on leading
124
edge of the RLO
Start timer (in accumulator 1) as off-delay on falling edge of
119
the RLO
81 Reset timer if RLO = "1"
159 Counter counts up 1 on leading edge of the RLO
110 Counter counts down 1 on leading edge of the RLO
120 Set counter if RLO = "1"
133 Reset counter if RLO = "1"
Add two fixed-point numbers: ACCUM 1 + ACCUM 2;
1.6
CC1/CC0 are affected
Subtract two fixed-point numbers: ACCUM 2 - ACCUM 1;
1.6
CC1/CC0 are affected
List of Operations
Function
A-7