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S5-115U Manual
Central Processing Unit CPU 944 (with Two Serial Interfaces)
115U
CPU
944
RN
ST
RN
ST
QV
ZY
BA
NR
RE
OR
SI 2
SI 1
EWA 4NEB 811 6130-02b
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.
Clock
- Accuracy t
g
- Temperature dependency t
A
(ambient temperature
T
in °C)
U
- e.g. tolerance at 40 °C
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 2 programmers)
Power losses
of the module
typically
- with 2 programmers typically
Weight
approx.
1
A statement usually takes up two bytes in the program memory
2
Use back-up battery for retentive feature
Technical Specifications
(6ES5 944-7UB21)
1
1
1
1
0.8 µsec.
0.8 to 3.6 µsec.
±2 sec. /day
2
- 3.5 x (T
-15)
msec./day
U
2
±2 sec. - 3.5 x (40 - 15)
msec /day
0 to - 4 sec./day
500 msec.
(can be modified)
2048; optionally half or all retentive
128; optionally half or all retentive
0.01 to 9990 sec.
128; optionally half or all retentive
0 to 999 (up, down)
parameters)
170 operations
100 µA
200 µA
0.45 A
0.08 A
0.12 A
4.5 W
5.5 W
0.8 kg (1.76 lb.)
2
2
2
15-19
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