Siemens S5-135U/155U User Manual
Page 181
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5-41
System Manual
C79000-G8576-C199-06
Organization blocks OB
OB 1 to 39 (interfaces for operating system)
Integrated special function organization
blocks OB
See Pocket Guide
Integrated serial interface
PG interface
Optional serial interface
Via interface submodules, optionally as V.24, TTY, RS 422A/485 or
PG interface,
SINEC L1 interface from Version 6ES5 928-3UB12
Backplane bus
S5 bus
Dimensions (w x h x d)
20.32 x 233.4 x 160 mm
Weight
Approx. 0.6 kg
CPUs, Memory Cards, Memory Submodules, Interface Submodules
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