P74x/EN ST/N
1, P742, P743
(ST) 4-
Menu Text Default Setting Available Settings
Setting Group Select via Menu
Select via Menu
Select via Optos
Allows setting group changes to be initiated via Opto Input or via Menu.
Active Settings Group 1
Group 1, Group 2, Group 3,
Group 4
Selects the active setting group.
Save Changes No Operation No Operation, Save, Abort
Saves all relay settings.
Copy from Group 1 Group 1, 2, 3 or 4
Allows displayed settings to be copied from a selected setting group.
Copy to No Operation
No Operation
Group 1, 2, 3 or 4
Allows displayed settings to be copied to a selected setting group (ready to paste).
Setting Group 1 Enabled Enabled or Disabled
If the setting group is disabled from the configuration, then all associated settings and
signals are hidden, with the exception of this setting (paste).
Setting Group 2 (as above) Disabled Enabled or Disabled
Setting Group 3 (as above) Disabled Enabled or Disabled
Setting Group 4 (as above) Disabled Enabled or Disabled
Busbar Option Invisible Visible / Invisible
Sets the Busbar Option menu visible further on in the relay settings menu.
Diff Busbar Prot Enabled Enabled or Disabled
To enable (activate) or disable (turn off) the Differential Busbar Protection function
(ANSI 87BB).
Input Labels Visible Invisible or Visible
Sets the Input Labels menu visible further on in the relay settings menu.
Output Labels Visible Invisible or Visible
Sets the Output Labels menu visible further on in the relay settings menu.
Recorder Control Visible Invisible or Visible
Sets the Record Control menu visible further on in the relay settings menu.
Disturb. Recorder Visible Invisible or Visible
Sets the Disturbance Recorder menu visible further on in the relay settings menu.
Measure't. Set-up Visible Invisible or Visible
Sets the Measurement Setup menu visible further on in the relay settings menu.
Comms. Settings Invisible Invisible or Visible
Sets the Communications Settings menu visible further on in the relay settings menu.
These are the settings associated with the 1
st
and 2
nd
rear communications ports.
Commission Tests Visible Invisible or Visible
Sets the Commissioning Tests menu visible further on in the relay settings menu.
Setting Values Primary Primary or Secondary
This affects all protection settings that are dependent upon CT and VT ratios.
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