No.(Addr. Hex) Name Description UnitUB-08(8787) Bypass Controller Active FaultsRegister 2Phase Loss BrownoutPhase Loss BlackoutNo Drive CommsAvailableOption Board CommsLoss of LoadSerial Communications FaultAvailable00000000UB-08 = 00 000 000–UB-09(8788) Current Fault Displays the current fault.Refer to Bypass Fault Codes on page 404 for details. –UB-10(8789) Current Fault Year Displays the year of the current fault. –UB-11(878A) Current Fault Month Day Displays the month and day of the current fault. –UB-12(878B) Current Fault Hour Minute Displays the hour and minute of the current fault. –UB-13(878C) Previous Fault Displays the previous fault.Refer to Bypass Fault Codes on page 404 for details. –UB-14(878D) Previous Fault Year Displays the year of the previous fault. –UB-15(878E) Previous Fault Month Day Displays the month and day of the previous fault. –UB-16(878F) Previous Fault Hour Minute Displays the hour and minute of the previous fault. –UB-17(8790) Contactor Voltage (120 VAC) Displays the measured voltage for the power going to the contactor coils. 1 VacUB-18(8791) Software Version Displays the software version currently programmed into the bypass. –UB-19(8792) Date Year Displays the current year. –UB-20(8793) Date Month & Day Displays the current date (Month and Date). –UB-21(8794) Time Hour & Minute Displays the current time (Hours and Minutes). –UB-90(87A0) Service Register 0 Unfiltered CT1 current –UB-91(87A1) Service Register 1 Unfiltered CT2 current –UB-92(87A2) Service Register 2 Electronic overload calculations –UB-93(87A3) Service Register 3 BACnet messages sent –UB-94(87A4) Service Register 4 BACnet received messages errored –UB-96(87DF) Bypass Unbalance Level Displays the percent of current unbalance when operating in Bypass Mode. 0.0 to100.0%u U1: Operation Status MonitorsNo.(Addr.Hex) Name Description Analog OutputLevel UnitU1-01(40)Frequency ReferenceFrequency RefMonitors the frequency reference. Display units are determined by o1-03. 10 V: Max frequency 0.01 HzU1-02(41)Output FrequencyOutput FreqDisplays the output frequency. Display units are determined by o1-03. 10 V: Max frequency 0.01 HzB.13 U: MonitorsYASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual 339B Parameter List
