ABB REL 551-C1*2.5, Technical Reference Manual

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Four parameter setting groups (GRP) Chapter 3
Common functions
2 Four parameter setting groups (GRP)
2.1 Application
Use the four sets of settings to optimize the terminals operation for different system conditions.
By creating and switching between fine tuned setting sets, either from the human-machine in-
terface or configurable binary inputs, results in a highly adaptable terminal that can cope with a
variety of system scenarios.
2.2 Logic diagram
Figure 10: Connection of the function to external circuits
2.3 Function block
G R P--AC TGR P1
G R P--AC TG R P2
G R P--AC TGR P3
G R P--AC TGR P4
IO x-Bly1
IO x-Bly2
IO x-Bly3
IO x-Bly4
+R L2
∅
∅
∅
∅
en01000144.vsd
AC TIVATE G R O U P 4
AC TIVATE G R O U P 3
AC TIVATE G R O U P 2
AC TIVATE G R O U P 1
xx00000153.vsd
GRP--
ACTIVEGROUP
ACTGRP1
ACTGRP2
ACTGRP3
ACTGRP4 GRP1
GRP2
GRP3
GRP4