21.2.2.3
Block diagram
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
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co
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to
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PCI-PCI-
bridge
IEC04000473 V1 EN
Figure 522:
Numeric processing module block diagram
21.2.3
Power supply module (PSM)
21.2.3.1
Introduction
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.
21.2.3.2
Design
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-
Section 21
1MRK502052-UEN B
IED hardware
1150
Technical manual
Содержание Relion REG670
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