ABB Relion 670 series, Technical Reference Manual

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19.2.5.2 Design
There are two types of the power supply module. They are designed for different DC
input voltage ranges see table
691 . 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.
Block diagram
99000516.vsd
Ba
ck
p
la
n
e
c
o
n
n
e
ct
o
r
In
p
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t c
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Power
supply
Filter
Supervision
IEC99000516 V1 EN
Figure 516: PSM Block diagram.
19.2.5.3 Technical data
Table 691: PSM - Power supply module
Quantity Rated value Nominal range
Auxiliary dc voltage, EL (input) EL = (24 - 60) V
EL = (90 - 250) V
EL
±
20%
EL ± 20%
Power consumption 50 W typically -
Auxiliary DC power in-rush < 5 A during 0.1 s -
19.2.6 Local human-machine interface (Local HMI)
Refer to section "Local HMI" for information.
Section 19
1MRK505222-UUS C
IED hardware
1094
Technical reference manual