7SR220 Settings Guide
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Description Range Default
Gn 25 Volt Differential 0 % to 100 % 10%
Gn 25 Check Sync Disabled, Enabled Enabled
Gn 25 Check Sync Angle 0 Deg to 90 Deg 20 Deg
Gn 25 Check Sync Slip Freq Disabled, Enabled Enabled
Gn 25 Check Sync Slip 0 Hz to 2 Hz 0.05 Hz
Gn 25 Check Sync Timer 0 s to 100 s 2 s
Gn 25 System Split Mode Phase, Slip Phase
Gn 25 Split Angle 0 Deg to 180 Deg 175 Deg
Gn 25 Split Slip 0 Hz to 2 Hz 0.02 Hz
Gn 25 System Sync Disabled, Enabled Enabled
Gn 25 System Sync Angle 0 Deg to 90 Deg 10 Deg
Gn 25 System Sync Slip 0 Hz to 2 Hz 0.125 Hz
Gn 25 System Sync Timer 0 s to 100 s 0.2 s
Gn 25 Close On Zero Disabled, Enabled Enabled
Gn 25 COZ Slip Freq 0 Hz to 2 Hz 0.125 Hz
Gn 25 CB Close Time 0 ms to 900 ms 60 ms
Gn 25 DAR Split Mode CS, SS, COZ, LO CS
Gn 25 MC Split Mode CS, SS, COZ CS
3.11.4. Manual CB Control
Description Range Default
Gn Line Check Trip
Selects whether line check trip is enabled, if enabled no AR
sequence initiated
Disabled, Enabled Enabled
Gn P/F Line Check Trip
Selects whether a phase fault line check trip is Instantaneous
(Fast) or Delayed. When set to Delayed all P/F Inst Trips will
be Inhibited for this shot.
Inst, Delayed Inst
Gn E/F Line Check Trip
Selects whether an earth fault line check trip is Instantaneous
or Delayed. When set to Delayed all E/F Inst Trips will be
Inhibited for this shot.
Inst, Delayed Inst
Gn SEF Line Check Trip
Selects whether a sensitive earth fault line check trip is
Instantaneous or Delayed. When set to Delayed all SEF Inst
Trips will be Inhibited for this shot.
Inst, Delayed Inst
Gn Extern Line Check Trip
Selects whether an external line check trip is Instantaneous
(Fast) or Delayed
Not Blocked, Blocked Not Blocked
Gn Close CB Delay
Delay between a Close CB control being received and the
Close CB contacts being operated to allow operator walk
away.
0, 0.1 ... 899, 900 10 s
Gn Blocked Close Delay
Selects the maximum time that the manual Close CB may be
blocked by interlocking before the command or control is
cancelled. The relay will signal “Blocked by Interlocking”.
0, 1 ... 599, 600 5 s
Gn Open CB Delay
Delay between an Open CB control being received and the
Open CB contacts being operated.
0, 0.1 ... 899, 900 10 s
Gn CB Controls Latched
Selects whether Binary Input triggers of Close CB and Open
CB are latched.
Latch, Reset Latch
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