Yaskawa R1000 Series Power Regenerative Unit - Manual (Page 197)

C.9 MEMOBUS/Modbus Data Table
YASKAWA ELECTRIC TOEP C710656 08B YASKAWA Power Regenerative Unit - R1000 Instruction Manual 197
MEMO
BUS/Mod
bus
Co
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s
C
◆ 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
0097H A/D Conversion Fault (CPF22) 013EH Control Response Selection Error (oFA43)
0098H PWM Feedback Fault (CPF23) – –
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) – –
Fault Code Fault Name Fault Code Fault Name
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