Appendix B -Settings and Signals
MENU TEXT COL ROW DEFAULT SETTING AVAILABLE OPTIONS
DESCRIPTION
Length of LOL window - the time window in which Zone 2 accelerated tripping can occur following LOL undercurrent detector operation.
35 00
This column contains settings for Overcurrent
I>1 Status 35 01 Enabled
Enabled
Enabled VTS
Enabled Ch Fail
En VTSorCh Fail
En VTSandCh Fail
Setting that defines first stage overcurrent operating status. Depending of this setting, I>1 will be enabled permanently or in case of Voltage
Transformer Supervision (fuse fail) operation, or in case of communication channel fail, or a combination (and /or) of both.
I>1 Function 35 02 IEC S Inverse
IEC S Inverse
IEC V Inverse
IEC E Inverse
UK LT Inverse
IEEE M Inverse
IEEE V Inverse
IEEE E Inverse
US Inverse
US ST Inverse
Setting for the tripping characteristic for the first stage overcurrent element.
I>1 Direction 35 03 Non-Directional
Directional Fwd
Directional Rev
This setting determines the direction of measurement for first stage element.
I>1 Current Set 35 04 1
From 0.08*I1 to 4.0*I1 in steps of 0.01*I1
[Courier Number (current)]
Pick-up setting for first stage overcurrent element.
I>1 Time Delay 35 05 1
From 0 to 100 in steps of 0.01
[Courier Number (time-seconds)]
Setting for the time-delay for the definite time setting if selected for first stage element. The setting is visible only when DT function is
selected.
I>1 TMS 35 06 1
From 0.025 to 1.2 in steps of 0.005
[Courier Number (decimal)]
Setting for the time multiplier setting to adjust the operating time of the IEC IDMT characteristic.
I>1 Time Dial 35 07 1
From 0.01 to 100 in steps of 0.01
[Courier Number (decimal)]
Setting for the time multiplier setting to adjust the operating time of the IEEE/US IDMT curves. The Time Dial (TD) is a multiplier on the
standard curve equation, in order to achieve the required tripping time. The reference curve is based on TD = 1.
Care: Certain manufacturer's use a mid-range value of TD = 5 or 7, so it may be necessary to divide by 5 or 7 to achieve parity.
I>1 Reset Char 35 08 DT
Inverse
Setting to determine the type of reset/release characteristic of the IEEE/US curves.
I>1 tRESET 35 09 0
From 0 to 100 in steps of 0.01
[Courier Number (time-seconds)]
Setting that determines the reset/release time for definite time reset characteristic
I>2 Status 35 0A Disabled
Enabled
Enabled VTS
Enabled Ch Fail
En VTSorCh Fail
En VTSandCh Fail
Setting that defines second stage overcurrent operating status. Depending of this setting, I>2 will be enabled permanently or in case of
Voltage Transformer Supervision (fuse fail) operation, or in case of communication channel fail, or a combination (and /or) of both.