GE D90 Plus Instruction Manual page 331

CHAPTER 7: PROTECTION
FlexLogic™ control of a settings group
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Group 2 Activate On, Group 3 Activate On, Group 4 Activate On, Group 5 Activate On,
Group 6 Activate On
Range: any FlexLogic™ operand or shared operand
Default: OFF
Each of these settings selects an operand which, when set, will activate the
corresponding setting group for use by any grouped element. A priority scheme ensures
that only one group is active at a given time. The highest-numbered group activated by
these settings takes priority over the lower-numbered groups. There is no activation
setting group 1 (the default active group) since group 1 automatically becomes active
when there is no other group active.
Group 1 Name, Group 2 Name, Group 3 Name, Group 4 Name, Group 5 Name, Group 6
Name
Range: up to 16 alphanumeric characters
Default: empty
These settings allows to user to assign a name to each of the six settings groups.
Events
Range: Enabled, Disabled
Default: Disabled
This setting enables and disables the logging of setting group control events in the
sequence of events recorder.
The Current Setting Group
The relay can be set up via a protection FlexLogic™ equation to receive requests to
activate or de-activate a particular non-default settings group. The following FlexLogic™
equation illustrates requests via remote communications (for example,
a local contact input (for example,
group, and requests from several overcurrent pickup measuring elements to inhibit the use
of the particular settings group. The assigned
state of a particular settings group.
Figure 262: FlexLogic™ control of a settings group
actual value is also displayed in this menu.
ON) to initiate the use of a particular settings
CONT IP 1
VIRT OP 1
CONTROL ELEMENTS
ON) or from
VIRT IP 1
operand is used to control the "On"
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