YASKAWA Z1000U Technical Manual page 378

D.9 MEMOBUS/Modbus Data Table
Register No.
Digital Input Command
bit 0
bit 1
bit 2, 3
bit 4
0001H bit 5
bit 6 to B
bit C
bit D
bit E
bit F
0002H Frequency Reference
u
Fault Trace Contents
The table below shows the fault codes that can be read out by MEMOBUS/Modbus commands from the U2-oo monitor
parameters.
Fault Code
0002H 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)
0021H 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)
378
Forward Run (0: Stop 1: Run)
Direction Command (0: Forward, 1: Reverse)
Reserved
External Fault
Fault Reset
Reserved
Multi-Function Digital Input S5
Multi-Function Digital Input S6
Multi-Function Digital Input S7
Multi-Function Digital Input S8
30000/100%
Table D.3 Fault Trace / History Register Contents
Fault Name
Contents
Fault Code
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)
EEPROM Memory DriveWorksEZ Data Error
004AH
(dWF1)
0051H LSo Fault (LSo)
0052H CanOpenNID Error (nSE)
005BH Initial Polarity Estimation Timeout (dv7)
005CH Ground Fault (GF)
005FH Power Unit Output Phase Loss 3 (LF3)
0066H Power Supply Undervoltage (AUv)
0067H Power Supply Overvoltage (Aov)
0068H Power Supply Frequency Fault Detection (Fdv)
0069H Phase Order Detection Fault (SrC)
0081H Control Circuit Error (CPF00)
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
Fault Name