Name Values (Range) Unit Step Default DescriptionBCrv2 0.50 - 100.00 - 0.01 1.00 Parameter B for customer programmablecurve for step 2CCrv2 0.0 - 1.0 - 0.1 0.0 Parameter C for customer programmablecurve for step 2DCrv2 0.000 - 60.000 - 0.001 0.000 Parameter D for customer programmablecurve for step 2PCrv2 0.000 - 3.000 - 0.001 1.000 Parameter P for customer programmablecurve for step 2CrvSat2 0 - 100 % 1 0 Tuning param for prog. under voltageIDMT curve, step 2Table 267:UV2PTUV Non group settings (basic)Name Values (Range) Unit Step Default DescriptionConnType PhN DFTPhPh RMSPhN RMSPhPh DFT- - PhN DFT Group selector for connection typeGlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Valuegroups9.1.6 Monitored dataTable 268:UV2PTUV Monitored dataName Type Values (Range) Unit DescriptionUL1 REAL - kV Voltage in phase L1UL2 REAL - kV Voltage in phase L2UL3 REAL - kV Voltage in phase L39.1.7 Operation principleTwo-step undervoltage protection (UV2PTUV) is used to detect low power systemvoltage. UV2PTUV has two voltage measuring steps with separate time delays. If one,two or three phase voltages decrease below the set value, a corresponding STARTsignal is generated. UV2PTUV can be set to START/TRIP based on 1 out of 3, 2 outof 3 or 3 out of 3 of the measured voltages, being below the set point. If the voltageremains below the set value for a time period corresponding to the chosen time delay,the corresponding trip signal is issued. To avoid an unwanted trip due to disconnectionof the related high voltage equipment, a voltage controlled blocking of the function isavailable, that is, if the voltage is lower than the set blocking level the function isblocked and no START or TRIP signal is generated.The time delay characteristic isindividually chosen for each step and can be either definite time delay or inverse timedelay.1MRK502052-UEN B Section 9Voltage protection481Technical manual
