Siemens SIMATIC S5-115U User Manual page 548

Simatic s5 series cpu 941-7ub11 cpu 942-7ub11 cpu 943-7ub11 and cpu 943-7ub21 cpu 944-7ub11 and cpu 944-7ub21
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Technical Specifications
Central Processing Unit CPU 944 (with One Serial Interface)
115U
CPU
944
RN
ST
RN
ST
QVZ
ZYK
BASP
NR
RE
OR
15-18
Technical Specifications
Memory capacity (total) maximum 49152 statements
- internal memory
maximum 49152 statements
- memory submodule
(EPROM)
maximum 49152 statements
- memory submodule
(EEPROM)
maximum 8192 statements
Execution time
- per binary operation
approx.
- per word operation
approx.
Scan time monitoring
approx.
Flags
Timers
- number
- range
Counters
- number
- range
Digital inputs
Digital outputs - total
maximum 2048
Analog inputs
Analog outputs - total
maximum 128
Organization blocks
maximum 256
Program blocks
maximum 256
Function blocks
maximum 256 (can be assigned
Sequence blocks
maximum 256
Data blocks
maximum 254
Operations set
approx.
Required backup current
from the backup battery at
power off
- internal RAM
approx.
- RAM submodule
approx.
Current consumption
- from 5 V (internal)
typically
- from 24 V
(without programmer)
(with programmer)
Power losses of the
module
typically
- with programmer
typically
Weight
approx.
1
A statement usually takes up two bytes in the program memory
2
In the case of battery backup
S5-115U Manual
(6ES5 944-7UB11)
1
1
1
1
0.8 µsec.
0.8 to 3.6 µsec.
500 msec.
(can be modified)
2048; optionally half or all
2
retentive
128; optionally half or all
2
retentive
0.01 to 9990 sec.
128; optionally half or all
2
retentive
0 to 999 (up, down)
parameters)
170 operations
100 µA
200 µA
0.2 A
0.04 A
0.06 A
2 W
2.5 W
0.8 kg (1.76 lb.)
EWA 4NEB 811 6130-02b

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