Register No. Contents8440H Time HHMM Time Hours and Minutes. Reads current time. Format is HHMM where HH is hours from 00 to 23and MM is minutes from 00 to 59. Reads 0x0000 when no RTC option8441H Date Year Date Year. Reads current date. Format is YYYY where YYYY is the year from 0000 to 9999.Reads 0x0000 when there is no RTC option.8442H Date Mo Day MMDD Date Month and Day. Reads current date. Format is MMDD where MM is month from 01 to12and DD is day from 01 to 31. Reads 0x0000 when there is no RTC option8443H to 84FFH Reserved8490H Product Type Code8491H Product Type Code8500H to 87FFH BYP Parameters andMonitors Z1-oo, Z2-oo, Z3-oo, Z4-oo , UB-oo. Refer to Parameter List on page 311 for Modbusaddresses.8800H to FFFFH Reserved<1> Parameter o1-03, Digital Operator Display Selection, determines the units.<2> Communication error contents are saved until the fault is reset.<3> The number of decimal places in the parameter value depends on the drive model. Refer to Defaults by Drive Model on page 356 for details.<4> Set the number of motor poles to parameter E2-04 or E5-05 depending on the motor being used.<5> Disabled when Z3-12 is set to 0 in bypass controller software versions VST800298 and later.u Broadcast MessagesData can be written from the master to all slave devices at the same time.The slave address in a broadcast command message must be set to 00H. All slaves will receive the message, but will notrespond.Register No. Contents0001HDigital Input Commandbit 0 Forward Run (0: Stop 1: Run)bit 1 Direction Command (0: Forward, 1: Reverse)bit 2, bit 3 Reservedbit 4 External Faultbit 5 Fault Resetbit 6 to B Reservedbit C Multi-Function Digital Input S5bit D Multi-Function Digital Input S6bit E Multi-Function Digital Input S7bit F Reserved0002H Frequency Reference 30000/100%u Fault Trace ContentsThe table below shows the drive fault codes that can be read out by MEMOBUS/Modbus commands from the U2-oo monitorparameters.Table D.3 Fault Trace / History Register ContentsFault Code Fault Name0002H Undervoltage (Uv1)0003H Control Power Supply Undervoltage (Uv2)0004H Soft Charge Circuit Fault (Uv3)0006H Ground Fault (GF)0007H Overcurrent (oC)0008H Overvoltage (ov)0009H Heatsink Overheat (oH)000AH Heatsink Overheat (oH1)000BH Motor Overload (oL1)Fault Code Fault Name000CH Drive Overload (oL2)000DH Overtorque Detection 1 (oL3)0010H Braking Resistor Overheat (rH)0011H External Fault at Input Terminal S3 (EF3)0012H External Fault at Input Terminal S4 (EF4)0013H External Fault at Input Terminal S5 (EF5)0014H External Fault at Input Terminal S6 (EF6)0015H External Fault at Input Terminal S7 (EF7)001BH Input Phase Loss (PF)D.9 MEMOBUS/Modbus Data Table402 YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
