Test Mode Functionality Testmode - ABB Relion Technical Manual

Generator protection

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1MRK 502 048-UUS A

Technical manual

More than one input may be activated at the same time. In such cases the lower order

setting group has priority. This means that if for example both group four and group two

are set to be activated, group two will be the one activated.

Every time the active group is changed, the output signal GRP_CHGD is sending a pulse.

This signal is normally connected to a SP16GGIO function block for external

communication.

The parameter MaxNoSetGrp defines the maximum number of setting groups in use to

switch between.

ANSIC09000063 V1 EN

Connection of the function to external circuits

The above example also shows the five output signals, GRP1 to 4 for confirmation of

which group that is active, and the GRP_CHGD signal which is normally connected to a

SP16GGIO function block for external communication to higher level control systems.

Test mode functionality TESTMODE

Identification

Function description

Test mode functionality

ACTIVATE GROUP 4

ACTIVATE GROUP 3

ACTIVATE GROUP 2

ACTIVATE GROUP 1

identification

Basic IED functions

ANSI09000063_1_en.vsd

ANSI/IEEE C37.2

device number

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650 series Reg650 ansi