Output Switchgroups (Swgrp); Output Selectors - ABB REX 521 Technical Reference Manual, Standard Configurations

REX 521
4.3.
4.3.1.
58
Protection Relay
Technical Reference Manual, Standard Configurations
Time characteristics
BS1
BS2
Inputs
GROUP
DOUBLE
RESET
CBFP = circuit breaker failure protection
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More information concerning function blocks in this manual, refer to section
"Function block descriptions" on page 74.

Output switchgroups (SWGRP)

The outputs from the function blocks (e.g. start, trip and alarm signals) are routed to
the output signals by using the output switchgroups, e.g. Trip 2, see Fig. 4.3.-1
below.
SWGRP
Io>
Trip
Start
I>
Trip
Start
Iub
Trip
Start
etc.
SWGRP
etc.
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Output selectors

Output signals (e.g. Start 1, Trip 1) are routed to the output relays (e.g. PO1, HSPO1,
SO1) by using output selectors.
Protection function name
3I>>>
CBFP
BSOUT
Outputs
START
TRIP
CBFP
PO1
Selector
PO2
Selector
Trip 2
PO3
Selector
SO1
Selector
SO2
Selector
Start 1
1MRS 751802-MUM