Technical Description S5-115F Manual
Table 2-2. CPU Description
Typical run time of operating
system
(dependent on
-
configuration
-
programming)
Features of the CPU 942F
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Execution time per
- 1000 statements
Internal program memory
(RAM)
Total program memory (max.)
approx. 15 ms
5
Kbytes
32 Kbytes
Scan monitoring time
Program scanning
Address range max.
(Digital inputs)
Address range max.
(Digital outputs)
Address range max.
(Analog inputs)
Address range max.
(Analog outputs)
Flags (nonretentive)
Timers (nonretentive)
Counters (nonretentive)
Time range
Counting range
Operation set
Integral PID control FB
configurable
cyclical, time-driven, interrupt-driven
64
PW 128 to PW 254
64
PW 128 to PW 254
2048
FW 0 to 254
*
T0 to T127
C0 to C127
0.01 to 9990 s
0 to 999
approx. 170 operations
yes
1024
I 0.0 to I 127.7
1008
Q 0.0 to Q 125.7
60 ms
* FW 0 is reserved for the logical program counter.
FW 2 to FW 198 (F 2.0 to F 199.7) are permitted for the control program.
FW 200 to FW 254 (F 200.0 to F 255.7) can only be used if you are not using standard FBs.
2-10
EWA 4NEB 811 6148-02
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