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System Manual
C79000-G8576-C199-06
The controls and indicators are arranged on the front plate of the CPU
module:
CPU 928A
QVZ
ADF
ZYK
BASP
RUN
STOP
RESET
SI1
OVERALL
RESET
Receptacle for
User Memory Submodule
Momentary-Contact Mode Switch
Mode Switch
LED (green)
LED (red)
Fault Indicator LEDs (red)
PG Interface, 15-Pin
Release Lever
Locking Pin
Order Number and Version
SIEMENS ES5928-3UA21
Interface Fault Indicator LED (red)
Figure 5-7 Front Plate of the CPU 928 -3UA21
Controls and
Indicators
CPUs, Memor
Cards, Memor
Submodules, Interface Submodules
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