YASKAWA AC Drive-A1000 User Manual

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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) 0020H MEMOBUS/Modbus Test Mode Fault (SE)
0002H Overvoltage (ov) 0022H Motor Overheat (oH3)
0003H Heatsink Overheat (oH) 0027H PID Feedback Loss (FbL)
0004H Drive Overheat (oH2) 0028H PID Feedback Loss (FbH)
0005H Overtorque 1 (oL3) 002AH Drive Disabled (dnE)
0006H Overtorque 2 (oL4) 002BH PG Disconnected (PGo)
0007H Run commands input error (EF) 0031H SI-T3 Watchdog Error (E5)
0008H Drive Baseblock (bb) 0032H SI-T3 Station Number Setting Error (AEr)
0009H External Fault 3, input terminal S3 (EF3) 0033H SI-T3 Comm. Cycle Setting Error (CYC)
000AH External Fault 4, input terminal S4 (EF4) 0034H High Current Alarm (HCA)
000BH External Fault 5, input terminal S5 (EF5) 0035H Cooling Fan Maintenance Time (LT-1)
000CH External Fault 6, input terminal S6 (EF6) 0036H Capacitor Maintenance Time (LT-2)
000DH External Fault 7, input terminal S7 (EF7) 0038H SI-S EEPROM Error (EEP)
000EH External Fault 8, input terminal S8 (EF8) 0039H External Fault (input terminal S1) (EF1)
000FH Cooling Fan Error (FAN) 003AH External Fault (input terminal S2) (EF2)
0010H Overspeed (oS) 003BH
Safe Disable Input (HbbF)
<1>
0011H Excessive Speed Deviation (dEv) 003CH
Safe Disable Input (Hbb)
<1>
0012H PG Disconnected (PGo) 003DH Mechanical Weakening Detection 1 (oL5)
0014H MEMOBUS/Modbus Communication Error (CE) 003EH Mechanical Weakening Detection 2 (UL5)
0015H Option Communication Error (bUS) 003FH PLC Alarm (PA1)
0016H Serial Communication Transmission Error (CALL) 0040H PLC Alarm (PA2)
0017H Motor Overload (oL1) 0041H Output Voltage Detection Fault (voF)
0018H Drive Overload (oL2) 0042H IGBT Maintenance Time (90%) (TrPC)
001AH Option Card External Fault (EF0) 0043H Soft Charge Bypass Relay Maintenance Time (LT-3)
001BH Motor Switch command input during run (rUn) 0044H IGBT Maintenance Time (50%) (LT-4)
001DH Serial Communication Transmission Error (CALL) 0045H Braking Transistor Overload (boL)
001EH Undertorque Detection 1 (UL3) 0049H DriveWorksEZ Alarm (dWAL)
001FH Undertorque Detection 2 (UL4)
<1> Terminals H1, H2, DM+, and DM- on 600 V class models are designed to the functionality, but are not certified to EN61800-5-1, EN954-1/ISO13849
Cat. 3, IEC/EN61508 SIL2, Insulation coordination: class 1.
C.9 MEMOBUS/Modbus Data Table
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual
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C
MEMOBUS/Modbus Communications

YASKAWA AC Drive-A1000 Specifications

General

Brand	YASKAWA
Model	AC Drive-A1000
Category	Controller
Language	English