Siemens S5-135U/155U - Manual (Page 180)

5-40
System Manual
C79000-G8576-C199-06
5.3.3 Technical Specifications
Important for the USA and Canada
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 0.5 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., RAM
DB RAM 46 x 2 !) bytes
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