Siemens SICAM AK 3 - Block Diagram

System Components
SICAM RTUs, SICAM AK 3 User Manual 87
DC2-028-2.03, Edition 07.2016
2.1.1.2 Block Diagram
PS-2630
AK 3 system bus
X1
PS-2630
Input Filter
+Fuse
+Inrush
+reverse
protection
+short
protection
Booster
Holdup
Caps
VDCin
VDCout 5V/24A
galvanical insulation
X99
T1
SVCC
Booster
Control
OR-ing
Primary
Control
Secondary
Control
&
PIC
Synchonous
rectification
main DC/DC +
caps
Main
DC/DC
Main
DC/DC
Control
SVCC
PVCC
PVCC
PVCC
PVCC
SVCC
Auxiliary-
Supply
V_Sense+
V_Sense-
ADR0
ADR1
ADR2
RxD
TxD