Input Selectors - ABB REX 521 Technical Reference Manual, Standard Configurations

REX 521
4.1.1.
54
Protection Relay
Technical Reference Manual, Standard Configurations

Input selectors

DI1
Selector
Selector
Selector Selector
etc.
DI2
Selector
Selector
Selector Selector
etc.
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Input selectors
Each digital input (DI1...DI9) can be routed to a specified input signal by the settings
in the input signal menu (Main menu\Configuration\Input Signals).
Only one digital input per input signal can be selected. Please refer to chapter
"Parametrization of the digital inputs" on page 62.
Function blocks
Switchgroups
SWGRP
I>
I>>
I>>>
SWGRP
Reset OC
Reset EF Io>
Io>>
Io>>>
Reset Iub
SWGRP
Iub
Master trip
Lockout reset
Open
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