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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