Siemens S5-135U/155U 用户手册

5-52

System Manual

C79000-G8576-C199-06

The following approvals have been obtained:

S

UL Listing Mark 
Underwriters Laboratories (UL) to Standard UL 508, Report E 85972

S

CSA Certification Mark
Canadian Standard Association (CSA) to Standard C 22.2 No. 142,
Report LR 63533

Degree of protection

IP  00

Climatic ambient conditions

See Technical Specifications of the S5-135U/155U CC

Mechanical ambient conditions

See Technical Specifications of the S5-135U/155U CC

Noise immunity, electromagnetic
compatibility (EMC)

See Technical Specifications of the S5-135U/155U CC

Supply voltage

5 V 

$ 5 %

24 V + 25 %/ -17 %

Current consumption at 5 V

5 A typical

Current consumption at 24 V

760 mA max.

Backup voltage

3.4 V

Backup current

20 

mA typical (at 25 _C)

P area

O area

IM3 area

IM4 area

Total

Digital inputs with process image
Digital inputs without process image
or analog inputs

1024 max.
1024 max.
64 max.

–
2048 max.
128 max.

–
2048 max.
128 max.

– 
2048 max.
128 max.

1024 max.
7168 max.
448 max.

Digital outputs with process image
Digital outputs without process image
or analog outputs

1024 max.
1024 max.
64 max.

–
2048 max.
128 max.

–
2048 max.
128 max.

–
2048 max.
128 max.

1024 max.
7168 max.
448 max.

Flags

2048

S flags

8192

Timers

256

Counters

256

Size of user memory

64 x 2

!) bytes max., EPROM or RAM

DB RAM

46 x 2

!) byte

Transmission rate of the serial PG interface

9600 bps

Program blocks PB

256

Sequence blocks SB

256

Function blocks FB

256

Function blocks FX

256

Data blocks DB

256, of which 253 are freely available

Data blocks DX

256, of which 253 are freely available

CPUs, Memory Cards, Memory Submodules, Interface Submodules