C.9 MEMOBUS/Modbus Data Table
YASKAWA ELECTRIC SIEP C710616 30B YASKAWA AC Drive T1000A Technical Manual 469
MEMOBUS/Modbus
Communications
C
u 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
0083H A/D Conversion Error (CPF02) 0233H Sumcheck Error (oFb32)
0084H PWM Data Fault (CPF03) 0234H Comm. option timeout waiting for response (oFb33)
0087H EEPROM Memory Data Error (CPF06) 0235H MEMOBUS Timeout (oFb34)
0088H Terminal Board Connection Error (CPF07) 0236H Drive timeout waiting for response (oFb35)
0089H EEPROM Serial Communication Fault (CPF08) 0237H CI Check Error (oFb36)
008CH RAM Fault (CPF11) 0238H Drive timeout waiting for response (oFb37)
008DH Flash Memory Circuit Exception (CPF12) 0239H Control Command Selection Error (oFb38)
008EH Watchdog Circuit Exception (CPF13) 023AH Drive timeout waiting for response (oFb39)
008FH Control Circuit Fault (CPF14) 023BH Control Response Selection 1 Error (oFb40)
0091H Clock Fault (CPF16) 023CH Drive timeout waiting for response (oFb41)
0092H Timing Fault (CPF17) 023DH Control Response Selection 2 Error (oFb42)
0093H Control Circuit Fault (CPF18) 023EH Control Response Selection Error (oFb43)
0094H Control Circuit Fault (CPF19) 0300H Option Compatibility Error (oFC00)
0095H Hardware fault at power up (CPF20) 0301H Option not properly connected (oFC01)
0096H Hardware fault at communication start up (CPF21) 0302H Same type of option card already connected (oFC02)
0097H A/D Conversion Fault (CPF22) 0305H A/D Conversion Error (oFC05)
0098H PWM Feedback Fault (CPF23) 0306H Option Response Error (oFC06)
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-T Station Number Setting Error (AEr)
0009H External Fault 3, input terminal S3 (EF3) 0033H SI-T 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)
0011H Excessive Speed Deviation (dEv) 003CH Safe Disable Input (Hbb)
0012H PG Disconnected (PGo) 003FH PLC Alarm (PA1)
0014H MEMOBUS/Modbus Communication Error (CE) 0040H PLC Alarm (PA2)
0015H Option Communication Error (bUS) 0041H Output Voltage Detection Fault (voF)
0016H Serial Communication Transmission Error (CALL) 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) 0047H Input Phase Loss (PF)
001FH Undertorque Detection 2 (UL4) 0071H Undervoltage (Uv)
Fault Code Fault Name Fault Code Fault Name
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