Siemens S5-135U/155U - Page 205

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, Memor
y
Cards, Memor
y
Submodules, Interface Submodules