Technical Specifications - Siemens S5-155U System Manual

5.3.3

Technical Specifications

Type of protection
Climatic ambient conditions
Mechanical ambient conditions
Noise immunity, electromagnetic
compatibility (EMC)
Supply voltage
Current consumption at 5 V
Backup voltage
Backup current without
user RAM submodule
Digital inputs with process image
Digital inputs without process image
or analog inputs
Digital outputs with process image
Digital outputs without process image
or analog outputs
Flags
Timers
Counters
Size of user memory
DB RAM
Transmission rate of
serial PG interface
Program blocks PB
Sequence blocks SB
Function blocks FB
Function blocks FX
System Manual
C79000-B8576-C199-03
Important for the USA and Canada
The following approvals have been obtained:
UL Listing Mark
Underwriters Laboratories (UL) to
Standard UL 508, Report E85972
CSA Certification Mark
Canadian Standard Association (CSA) to
Standard C 22.2 No. 142, Report LR 63533
IP 00
See Technical Specifications of the S5-135U/155U CC
See Technical Specifications of the S5-135U/155U CC
See Technical Specifications of the S5-135U/155U CC
5 V ± 5 %
3.5 A typical
3.4 V
20 µA typical (at 25 o
C)
P area O area
1024 max. –
1024 max. 2048 max.
64 max. 128 max.
1024 max. –
1024 max. 2048 max.
64 max. 128 max.
2048
256
256
max. of 64 K words, EPROM or RAM
46 3/4 Kbytes
9600 bit/s
256
256
256
256
IM3 area IM4 area
– –
2048 max. 2048 max.
128 max. 128 max.
– –
2048 max. 2048 max.
128 max. 128 max.
CPU 928
5
Total
1024 max.
7168 max.
448 max.
1024 max.
7168 max.
448 max.
5 - 41