C.9 MEMOBUS/Modbus Data Table
184
YASKAWA ELECTRIC
TOEP C710656 10B YASKAWA Power Regenerative Unit - R1000 Instruction 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.6 Alarm Register 007FH Contents
Fault Code
Fault Name
Fault Code
Fault Name
0001H
Undervoltage (Uv)
0020H
MEMOBUS/Modbus Test Mode Fault (SE)
0002H
Overvoltage (ov)
0031H
MECHATROLINK Watchdog Timer Error (E5)
0003H
Heatsink Overheat (oH)
0032H
MECHATROLINK Station Address Setting Error (AEr)
0008H
Baseblock (bb)
0033H
MECHATROLINK Communication Cycle Setting Error
(CyC)
0009H
External Fault 3, input terminal S3 (EF3)
0034H
High Current Alarm (HCA)
000AH
External Fault 4, input terminal S4 (EF4)
0035H
Cooling Fan Maintenance Time (LT-1)
000BH
External Fault 5, input terminal S5 (EF5)
0036H
Capacitor Maintenance Time (LT-2)
000CH
External Fault 6, input terminal S6 (EF6)
0038H
SI-S EEPROM Error (EEP)
000DH
External Fault 7, input terminal S7 (EF7)
0039H
External Fault (input terminal S1) (EF1)
000EH
External Fault 8, input terminal S8 (EF8)
003AH
External Fault (input terminal S2) (EF2)
000FH
Cooling Fan Error (Fan)
003FH
PLC Alarm 1 (PA1)
0014H
MEMOBUS/Modbus Communication Error (CE)
0040H
PLC Alarm 2 (PA2)
0015H
Option Communication Error (bUS)
0043H
Soft Charge Bypass Relay Maintenance Time (LT-3)
0018H
Overload (oL2)
006BH
Power Supply Undervoltage Pre-Alarm (PAUv)
001AH
Option Card External Fault (EF0)
006CH
PFDv (Power Supply Frequency Excessive Deviation
Pre-alarm)
001DH
Serial Communication Transmission Error (CALL)
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