Block Diagram - Siemens SICAM RTU User Manual

2.2.1.2

Block Diagram

X99
Node-
Bus
+5V GND
DC
+5V 3V3 2V5 1V25 1V2
OVER/UNDER-
VOLTAGE
Status/Alarm LEDs
*)
Local Ethernet interface
**)
Usage depends on the equipped SM-25xx
SICAM RTUs, SICAM AK 3 User Manual
DC2-028-2.03, Edition 07.2016
Ax-PE-Bus Ax-PE-Bus
internal
external
HSL-Bus HSL-Bus
external internal
FPGA, CPLD
DC
Memory
Reset SD-Card
Backplane
X100
Error Watchdog
SYS-IO
internal
PPC440EP
Ethernet
switch
USB
X0
X4
Engineering PRE0
tool
System Components
CP-2016
Time-
sync
Submodule
SM-25xx
(optional)
DC
DC
X1 X2 X3
*) *) **) **
)
PRE1 PRE2 PRE3
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