Siemens SIMATIC S5 User Manual

S5-115F Manual List of Operations
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Function
Execution time
in µsec.
CPU
942F
Timer Operations
N 121
I Q F T C
Y
121
124
Y
321
Y
Y
Y
N
N Y
Ope-
ration
(STL)
SP
1 RLO-depend.?
2 RLO affected?
3 RLO reloaded?
Operands
•
• Y N Y 124
•
•SE
SR
SS
SF
R
•
•
Start timer (in accumulator 1) as pulse (signal contracting) on
leading edge of the RLO
Start timer (in accumulator 1) as extended pulse (signal
contracting and stretching) on leading edge of the RLO
Start timer (in accumulator 1) as stored on-delay on leading
edge of the RLO
Y
Y
N
N
Y
Y
119
81
Start timer (in accumulator 1) as off-delay on falling edge of
the RLO
Reset timer if RLO = ”1”
Counter Operations
•CU
CD •
159
110
Y
Y
N
N
Y
Y
Counter counts up 1 on leading edge of the RLO
Counter counts down 1 on leading edge of the RLO
S • Set counter if RLO = ”1”
R •
120
133 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
Add two fixed-point numbers: ACCUM 1 + ACCUM 2;
CC1/CC0 are affected
Subtract two fixed-point numbers: ACCUM 2 - ACCUM 1;
CC1/CC0 are affected
Start timer (in accumulator 1) as on-delay on leading edge of
the RLO
EWA 4NEB 811 6149-02 A-7

Siemens SIMATIC S5 Specifications

General

Product type designation	SIMATIC S5
Programming language	STEP 5
Digital inputs	Varies by model
Digital outputs	Varies by model
Analog inputs	Varies by model
Analog outputs	Varies by model
Supply voltage	24V DC
CPU Type	Varies by model
Memory	Varies by model
Digital I/O	Varies by model
Analog I/O	Varies by model
Communication	PROFIBUS
Operating Temperature	0°C to 60°C
Relative Humidity	5% to 95% (non-condensing)