5-94 B90 Low Impedance Bus Differential System GE Multilin5.5 GROUPED ELEMENTS 5 SETTINGS5The Undervoltage element is enabled only when PRODUCT SETUP B90 FUNCTION B90 FUNCTION is set to “Protection”.One element is available per each voltage input of the relay.Figure 5–44: UNDERVOLTAGE SCHEME LOGIC5.5.6 CURRENT ELEMENTSa) MAIN MENUPATH: SETTINGS GROUPED ELEMENTS SETTING GROUP 1(6) CURRENT ELEMENTS CURRENT ELEMENTS INSTANTANEOUS OVERCURRENT 1 See page 5-99.MESSAGE INSTANTANEOUS OVERCURRENT 2 See page 5-99.↓MESSAGE INSTANTANEOUS OVERCURRENT 24 See page 5-99.MESSAGE TIME OVERCURRENT 1 See page 5-100.MESSAGE TIME OVERCURRENT 2 See page 5-100.↓MESSAGE TIME OVERCURRENT 24 See page 5-100.SETTINGUNDERVOLTAGE 1FUNCTION:Disabled = 0Enabled = 1SETTINGSUNDERVOLTAGE 1 MINVOLTAGE:SETTINGUNDERVOLTAGE 1 VT:Voltage Magnitude, |V|| V | > MIN VOLTAGE&|V| < PICKUPRUN FLEXLOGIC OPERANDSUNDERVOLTAGE 1 OPSETTINGUNDERVOLTAGE 1PKP DELAY:tPKPtRSTSETTINGB90 FUNCTION:Logic = 0Protection = 1ANDSETTINGUNDERVOLTAGE 1 BLK:Off = 0 UNDERVOLTAGE 1PICKUP:UNDERVOLTAGE 1RST DELAY:UNDERVOLTAGE 1 DPOUNDERVOLTAGE 1 PKP
