C.10 MEMOBUS/Modbus Data Table
YASKAWA ELECTRIC
SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual
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MEMOBU
S/Modbu
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Commu
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C
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Alarm Register Contents
The table below shows the alarm codes that can be read out from MEMOBUS/Modbus register 007FH.
Table C.5 Alarm Register 007FH Contents
Alarm Code
Fault Name
Alarm Code
Fault Name
0001H
Undervoltage (Uv)
0016H
Serial Communication Transmission Error (CALL)
0002H
Overvoltage (ov)
0017H
Motor Overload (oL1)
0003H
Heatsink Overheat (oH)
0018H
Drive Overload (oL2)
0004H
Drive Overheat (oH2)
001AH
Option Card External Fault (EF0)
0005H
Overtorque 1 (oL3)
001BH
Motor Switch command input during run (rUn)
0006H
Overtorque 2 (oL4)
001DH
Serial Communication Transmission Error (CALL)
0007H
Run commands input error (EF)
001EH
Undertorque Detection 1 (UL3)
0008H
Drive Baseblock (bb)
001FH
Undertorque Detection 2 (UL4)
0009H
External Fault 3, input terminal S3 (EF3)
0020H
MEMOBUS/Modbus Test Mode Fault (SE)
000AH
External Fault 4, input terminal S4 (EF4)
0022H
Motor Overheat (oH3)
000BH
External Fault 5, input terminal S5 (EF5)
0027H
PID Feedback Loss (FbL)
000CH
External Fault 6, input terminal S6 (EF6)
0028H
PID Feedback Loss (FbH)
000FH
Cooling Fan Error (FAN)
002BH
PG Disconnected (PGo)
0010H
Overspeed (oS)
0034H
High Current Alarm (HCA)
0011H
Excessive Speed Deviation (dEv)
0039H
External Fault (input terminal S1) (EF1)
0012H
PG Disconnected (PGo)
003AH
External Fault (input terminal S2) (EF2)
0013H
Digital operator connection fault (oPr)
003BH
Reserved
0014H
MEMOBUS/Modbus Communication Error (CE)
003CH
Safe Disable Input (Hbb)
0015H
Option Communication Error (bUS)