Siemens S5-135U/155U System Manual page 169

Data blocks DB
Data blocks DX
Organization blocks OB
Integrated special function organization
blocks OB
Integrated serial interface
Optional serial interface
Backplane bus
Dimensions (w x h x d)
Weight
System Manual
C79000-G8576-C199-06
CPUs, Memory Cards, Memory Submodules, Interface Submodules
256, of which 253 are freely available
256, of which 253 are freely available
OB 1 to 39
(interfaces for operating system)
OB 121, 122, 124-126, 131-133, 141-143, 150, 151, 153, 200,
202-205, 222, 223, 254, 255
PG interface
PG interface with PG submodule
S5 bus
40.6 x 233.4 x 160 mm
Approx. 1 kg
5-29