Siemens SIMATIC S5-115U, User Manual

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S5-115U Manual Operations List
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Function
Typical Execution Time
in
µ
sec.
CPU
941
Timer Operations
N 3.7 3.7 1.9
I Q F T C
Y
3.7 3.7 1.9
3.7 3.7 1.9
Y
CPU
942
CPU
943
3 2 1
Y
Y
Y
N
N Y
Ope-
ration
(STL)
SP
1 RLO depend.?
2 RLO affected?
3 RLO reloaded?
Operands
•
• Y N Y 3.7 3.7 1.9
•
• SE
SR
SS
SF
R
•
•
Start a timer (stored in ACCUM 1) as signal-
contracting pulse on the leading edge of the RLO
Start a timer (stored in ACCUM 1) as extended pulse
(signal contracting and stretching) on the leading
edge of the RLO.
Start a stored on-delay timer (stored in ACCUM 1) on
the leading edge of the RLO.
Y
Y
N
N
Y
Y
3.7
3.7
3.7
3.7
1.9
1.9
Start an off-delay timer (stored in ACCUM 1) on the
trailing edge of the RLO.
Reset a timer if RLO="1".
Counter Operations
• CU
CD •
3.7 1.9 3.7
3.7 3.7 1.9
Y
Y
N
N
Y
Y
Counter counts up 1 on the leading edge of the RLO.
Counter counts down 1 on leading edge of the RLO.
S • Set counter if RLO="1".
R •
3.7 3.7 1.9
3.7 3.7 1.9 Reset counter if RLO="1".
Y
Y
N
N
Y
Y
Arithmetic Operations
+F
- F
N
N
N
N
N
N
1.6
1.6
1.6 0.8
1.6 0.8
Add two fixed-point numbers: ACCUM 1 + ACCUM 2.
Result evaluation via ANZ 1/ANZ 0/0V
Subtract two fixed-point numbers: ACCUM 1 -
ACCUM 2. Result evaluation via ANZ 1/ANZ 0/0V
CPU
944
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
0.8
0.8
Start an on-delay timer (stored in ACCUM 1) on the
leading edge of the RLO.
EWA 4NEB 811 6130-02b
A-7