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5.7 CONTROL ELEMENTS
The
SETTING GROUPS BLK
"On". This can be useful in applications where it is undesirable to change the settings under certain conditions, such as the
breaker being open.
The
GROUP 2 ACTIVATE ON
ular setting group active for use by any grouped element. A priority scheme ensures that only one group is active at a given
time – the highest-numbered group that is activated by its
groups. There is no activate on setting for group 1 (the default active group), because group 1 automatically becomes
active if no other group is active.
The
SETTING GROUP 1 NAME
groups. Once programmed, this name appears on the second line of the
display.
The relay can be set up via a FlexLogic equation to receive requests to activate or de-activate a particular non-default set-
tings group. The following FlexLogic equation (see the following figure) illustrates requests via remote communications (for
example,
VIRTUAL INPUT 1 ON
lar settings group, and requests from several overcurrent pickup measuring elements to inhibit the use of the particular set-
tings group. The assigned
1
2
3
4
5
5
6
7
8
9
10
Figure 5–133: EXAMPLE FLEXLOGIC CONTROL OF A SETTINGS GROUP
5-248
setting prevents the active setting group from changing when the FlexLogic parameter is set to
to
settings select a FlexLogic operand which, when set, makes the partic-
GROUP 6 ACTIVATE ON
to
settings allows the user to assign a name to each of the six settings
SETTING GROUP 6 NAME
) or from a local contact input (for example,
operand is used to control the "On" state of a particular settings group.
VIRTUAL OUTPUT 1
VIRT IP 1 ON (VI1)
OR (2)
CONT IP 1 ON (H5A)
OR (2)
PHASE TOC1 PKP
NOT
PHASE TOC2 PKP
NOT
AND (3)
= VIRT OP 1 (VO1)
END
L90 Line Current Differential System
parameter takes priority over the lower-numbered
ACTIVATE ON
GROUPED ELEMENTS
CONTACT IP 1 ON
AND (3)
= VIRT OP 1 (VO1)
5 SETTINGS
menu
SETTING GROUP 1(6)
) to initiate the use of a particu-
842789A1.CDR
GE Multilin
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