CHAPTER 5: SETTINGS CONTROL ELEMENTST60 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 5-31555.8.8 Synchrocheck (ANSI 25)SETTINGS CONTROL ELEMENTS SYNCHROCHECK SYNCHROCHECK 1(6) SYNCHROCHECK 1 SYNCHK1 FUNCTION:DisabledRange: Disabled, Enabled SYNCHK1 BLOCK:OffRange: FlexLogic operand SYNCHK1 V1 SOURCE:SRC 1Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6 SYNCHK1 V2 SOURCE:SRC 2Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6 SYNCHK1 MAX VOLTDIFF: 10000 VRange: 0 to 400000 V in steps of 1 SYNCHK1 MAX ANGLEDIFF: 30°Range: 0 to 100° in steps of 1 SYNCHK1 MAX FREQDIFF: 1.00 HzRange: 0.00 to 2.00 Hz in steps of 0.01 SYNCHK1 MAX FREQHYSTERESIS: 0.06 HzRange: 0.00 to 0.10 Hz in steps of 0.01 SYNCHK1 SYNC CLOSE:OffRange: FlexLogic operand SYNCHK1 S-CLS MAXdF: 0.50 HzRange: 0.10 to 2.00 Hz in steps of 0.01 SYNCHK1 S-CLS MINdF: 0.10 HzRange: 0.01 to 1.00 Hz in steps of 0.01 SYNCHK1 S-CLS BRKTIME: 0.035 sRange: 0.010 to 0.500 s in steps of 0.001 SYNCHK1 V2 MAG CORRFACTOR: 1.00Range: 0.10 to 10.00 in steps of 0.01 SYNCHK1 V2 ANGLESHIFT: 0Range: -180 to +180 degrees in steps of 1 SYNCHK1 DEAD SOURCESELECT: LV1 and DV2Range: None, LV1 and DV2, DV1 and LV2, DV1 or DV2,DV1 Xor DV2, DV1 and DV2 SYNCHK1 DEAD V1MAX VOLT: 0.30 puRange: 0.04 to 1.25 pu in steps of 0.01 SYNCHK1 DEAD V2MAX VOLT: 0.30 puRange: 0.04 to 1.25 pu in steps of 0.01 SYNCHK1 LIVE V1MIN VOLT: 0.70 puRange: 0.04 to 1.25 pu in steps of 0.01 SYNCHK1 LIVE V2MIN VOLT: 0.70 puRange: 0.04 to 1.25 pu in steps of 0.01 SYNCHK1 TARGET:Self-resetRange: Self-reset, Latched, Disabled SYNCHK1 EVENTS:DisabledRange: Disabled, EnabledThe T60 is provided with an optional synchrocheck element. This element is specified as a software option(select “10” or “11”) at the time of ordering. See the Order Codes section of chapter 2 for details.