Siemens SIMATIC S5-115U, Руководство пользователя

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