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Siemens S5-135U/155U User Manual

Page 205

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5-65

System Manual
C79000-G8576-C199-06

The controls and indicators are arranged on the front plate of the CPU
module:

SIEMENS

Receptacle for
User Memory Submodule

Mode Switch

LED (green)

LED (red)

Momentary-Contact Mode Switch

Fault Indicator LEDs (red)

PG Interface, 15-Pin

Release Lever

Locking Pin

RUN

STOP

RUN

STOP

RÜCKSETZEN

RESET

URLÖSCHEN

OVERALL
RESET

QVZ

ADF

ZYK

BASP

Order Number and Version

6ES5928-3UA12

Figure 5-8

Front Plate of the CPU 928

Controls and
Indicators

CPUs, Memory Cards, Memory Submodules, Interface Submodules