C.9 MEMOBUS/Modbus Data Table
496 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
00C4H
Fault contents 7
bit 0 PID Feedback Loss (FbH)
bit 1 External Fault 1, input terminal S1 (EF1)
bit 2 External Fault 2, input terminal S2 (EF2)
bit 3 Mechanical Weakening Detection 1 (oL5)
bit 4 Mechanical Weakening Detection 2 (UL5)
bit 5 Current Offset Fault (CoF)
bit 6, 7 Reserved
bit 8 DriveWorksEZ Fault (dWFL)
bit 9 to B Reserved
bit C Output Voltage Detection Fault (voF)
bit D Braking Resistor Fault (rF)
bit E Braking Transistor Overload Fault (boL)
bit F Reserved
00C5H
bit 0, 1 Reserved
bit 2 Node Setup Fault (nSE)
bit 3 to F Reserved
00C6H, 00C7H Reserved
00C8H
Alarm contents 2
bit 0 Undervoltage (Uv)
bit 1 Overvoltage (ov)
bit 2 Heatsink Overheat (oH)
bit 3 Drive Overheat (oH2)
bit 4 Overtorque 1 (oL3)
bit 5 Overtorque 2 (oL4)
bit 6 Run Commands Input Error (EF)
bit 7 Drive Baseblock (bb)
bit 8 External Fault 3, input terminal S3 (EF3)
bit 9 External Fault 4, input terminal S4 (EF4)
bit A External Fault 5, input terminal S5 (EF5)
bit B External Fault 6, input terminal S6 (EF6)
bit C External Fault 7, input terminal S7 (EF7)
bit D External Fault 8, input terminal S8 (EF8)
bit E Cooling Fan Error (FAn)
bit F Overspeed (oS)
00C9H
Alarm contents 3
bit 0 Excessive Speed Deviation (dEv)
bit 1 PG Disconnected (PGo)
bit 2 Digital Operator Connection Fault (oPr)
bit 3 MEMOBUS/Modbus Communication Error (CE)
bit 4 Option Communication Error (bUS)
bit 5 Serial Communication Transmission Error (CALL)
bit 6 Motor Overload (oL1)
bit 7 Drive Overload (oL2)
bit 8 Reserved
bit 9 Option Card External fault (EF0)
bit A Motor 2 Switch command input during run (rUn)
bit B Reserved
bit C Serial Communication Transmission Error (CALL)
bit D Undertorque Detection 1 (UL3)
bit E Undertorque Detection 2 (UL4)
bit F MEMOBUS/Modbus Test Mode Fault (SE)
00CAH
Alarm contents 4
bit 0 Reserved
bit 1 Motor Overheat 1 (PTC Input) (oH3)
bit 2 to 5 Reserved
bit 6 PID Feedback Loss (FbL)
bit 7 PID Feedback Loss (FbH)
bit 9 Drive Disabled (dnE)
bit A PG Disconnected (PGo)
bit B to F Reserved
Register No. Contents