Siemens SIMATIC S5-115U, User Manual

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S5-115U Manual Technical Specifications
Central Processing Unit CPU 942 (6ES5 942-7UB11)
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115U
CPU
942
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RN
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Technical Specifications
Memory capacity (total) maximum 21504 statements
1
- internal memory maximum 5120 statements
1
- memory submodule
(RAM)
maximum 16384 statements
1
- memory submodule
(EPROM)
maximum 16384 statements
1
- memory submodule
(EEPROM)
maximum 8192 statements
1
Execution time
- per binary operation
approx. 1.6 µ sec.
- per word operation approx. 1.6 to 200 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)
0.16 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
Use back-up battery for retentive feature.
EWA 4NEB 811 6130-02b
15-15