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, 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 Multi-Function Digital Input S80002H Frequency Reference 30000/100%u Fault Trace ContentsThe table below shows the fault codes that can be read out by MEMOBUS/Modbus commands from the U2-oo monitorparameters.Table B.3 Fault Trace / History Register ContentsFault Code Fault Name0002H Control Circuit Undervoltage Fault (Uv1)0003H Control Power Supply Voltage Fault (Uv2)0004H Undervoltage 3 (Uv3)0006H Ground Fault (GF)0007H Overcurrent (oC)0008H Control Circuit Overvoltage (ov)0009H Heatsink Overheat (oH)000AH Overheat 1 (oH1)000BH Motor Overload (oL1)000CH Overload (oL2)000DH Overtorque Detection 1 (oL3)000EH Overtorque Detection 2 (oL4)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)0016H External Fault at Input Terminal S8 (EF8)0017H Fan Fault (FAn)0018H Overspeed (oS)0019H Speed Deviation (dEv)001AH PG Disconnect (PGo)001CH Output Phase Loss (LF)001DH Motor Overheat Alarm (PTC input) (oH3)001EH Digital Operator Connection Fault (oPr)001FH EEPROM Write Error (Err)0020H Motor Overheat Fault (PTC input) (oH4)Fault Code Fault Name0021H MEMOBUS/Modbus Communication Error (CE)0022H Option Communication Error (bUS)0025H Control Fault (CF)0026H Zero-Servo Fault (SvE)0027H Option Card External Fault (EF0)0028H PID Feedback Loss (FbL)0029H Undertorque Detection 1 (UL3)002AH Undertorque Detection 2 (UL4)0030H Hardware Fault (including oFx)0032H Z Pulse Fault (dv1)0033H Z Pulse Noise Fault Detection (dv2)0034H Inversion Detection (dv3)0035H Inversion Prevention Detection (dv4)0036H Output Current Imbalance (LF2)0037H Pull-Out Detection (Sto)0038H PG Hardware Fault (PGoH)0039H MECHATROLINK Watchdog Timer Error (E5)003BH Too Many Speed Search Restarts (SEr)0041H Excessive PID Feedback (FbH)0042H External Fault 1, Input Terminal S1 (EF1)0043H External Fault 2, Input Terminal S2 (EF2)0044H Mechanical Weakening Detection 1 (oL5)0045H Mechanical Weakening Detection 2 (UL5)0046H Current Offset Fault (CoF)0049H DriveWorksEZ Fault (dWFL)004AH EEPROM Memory DriveWorksEZ Data Error(dWF1)B.9 MEMOBUS/Modbus Data Table308 YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual