ABB Relion 670 Series RES670, Technical Manual

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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
640 . 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.
Connection diagram
IEC08000476 V2 EN
Figure 292: PSM Connection diagram.
21.2.3.3 Technical data
Table 640: 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 < 10 A during 0.1 s -
21.2.4 Local human-machine interface (Local HMI)
Refer to section "" for information.
21.2.5 Transformer input module (TRM)
21.2.5.1 Introduction
The transformer input module is used to galvanically separate and adapt the secondary
currents and voltages generated by the measuring transformers. The module has twelve
inputs in different combinations of currents and voltage inputs.
1MRK 511 365-UUS A
Section 21
IED hardware
Phasor measurement unit RES670 2.1 ANSI 761
Technical manual