ABB Relion 670 series - Block diagram; Power supply module (PSM); Introduction

19.2.4.3 Block diagram
en04000473.vsd
Logic
Compact
Flash
North
bridge
CPU
Memory
PC-MIP
PMC
connector
U
B
M
c
o
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c
t
o
r
Ethernet
B
a
c
k
p
l
a
n
e
c
o
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PCI-PCI-
bridge
IEC04000473 V1 EN
Figure 515: Numeric processing module block diagram
19.2.5 Power supply module (PSM)
19.2.5.1 Introduction
The power supply module is used to provide the correct internal voltages and full
isolation between the terminal and the battery system. An internal fail alarm output is
available.
1MRK505222-UUS C Section 19
IED hardware
1093
Technical reference manual