Appendix B - Settings and Signals 
 
 
 
MENU TEXT  COL  ROW  DEFAULT SETTING  AVAILABLE OPTIONS 
DESCRIPTION 
To enable (activate) or disable (turn off) the back up Earth Fault Protection function. IN >stages: ANSI 50N/51N/67N 
Earth Fault  09  13  Enabled 
Enabled 
To enable (activate) or disable (turn off) the back up Earth Fault Protection function. IN >stages: ANSI 50N/51N/67N 
SEF/REF Prot'n  09  15  Disabled 
Enabled 
To enable (activate) or disable (turn off) the Sensitive Earth Fault/Restricted Earth fault Protection function.  
ISEF >stages: ANSI 50N/51N/67N. IREF>stage: ANSI 64. 
Residual O/V NVD  09  16  Disabled 
Enabled 
To enable (activate) or disable (turn off) the Residual Overvoltage Protection function. VN>stages: ANSI 59N 
Thermal Overload  09  17  Disabled 
Enabled 
To enable (activate) or disable (turn off) the Thermal Overload Protection function.  ANSI 49. 
Volt Protection  09  1D  Disabled 
Enabled 
To enable (activate) or disable (turn off) the Voltage Protection (under/overvoltage/remote) function.  V<, V>, Cp V> stages: ANSI 27/59/59R. 
Freq Protection  09  1E  Disabled 
Enabled 
[Indexed String] 
To enable (activate) or disable (turn off) the Frequency Protection (under/over frequency) function. F<, F> stages: ANSI 81. 
df/dt Protection  09  1F  Disabled 
Enabled 
To enable (activate) or disable (turn off) the Rate of change of Frequency Protection function. df/dt> stages: ANSI 81. 
CB Fail  09  20  Disabled 
Enabled 
To enable (activate) or disable (turn off) the Circuit Breaker Fail Protection function: ANSI 50BF. 
Supervision  09  21  Enabled 
Enabled 
To enable (activate) or disable (turn off) the Supervision (VTS & CTS) functions: ANSI 47/27/46. 
System Checks  09  23  Disabled 
Enabled 
To enable (activate) or disable (turn off) the System Checks (Check Sync. and Voltage Monitor) function: ANSI 25. 
Auto-Reclose  09  24  Disabled 
Enabled 
To enable (activate) or disable (turn off) the Auto-reclose function.  ANSI 79. 
Input Labels  09  25  Visible 
Visible 
Sets the Input Labels menu visible further on in the IED settings menu. 
Output Labels  09  26  Visible 
Visible 
Sets the Output Labels menu visible further on in the IED settings menu. 
CT & VT Ratios  09  28  Visible 
Visible 
Sets the Current & Voltage Transformer Ratios menu visible further on in the IED settings menu.