22.2.2.3
Block diagram
M12651-3 v1
en04000473.vsd
Logic
Compact
Flash
North
bridge
CPU
Memory
PC-MIP
PMC
connector
U
B
M
co
n
n
e
ct
or
Ethernet
B
ac
kp
la
n
e
co
nn
ec
to
r
PCI-PCI-
bridge
IEC04000473 V1 EN-US
Figure 645: Numeric processing module block diagram
22.2.3
Power supply module (PSM)
IP15594-1 v1
22.2.3.1
Introduction
M11595-3 v5
The power supply module is used to provide the correct internal voltages and full isolation
between the IED and the battery system. An internal fail alarm output is available.
22.2.3.2
Design
IP14278-1 v1
M6377-3 v2
There are two types of the power supply module. They are designed for different DC input voltage
ranges see table
. The power supply module contains a built-in, self-regulated DC/DC
converter that provides full isolation between the terminal and the external battery system.
Section 22
1MRK 502 066-UUS B
IED hardware
1282
Technical manual
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