C.9 MEMOBUS/Modbus Data Table
Register No.
Contents
Fault contents 4
bit 0
External Fault at input terminal S3 (EF3)
bit 1
External Fault at input terminal S4 (EF4)
bit 2
External Fault at input terminal S5 (EF5)
bit 3
External Fault at input terminal S6 (EF6)
bit 4
External Fault at input terminal S7 (EF7)
bit 5
External Fault at input terminal S8 (EF8)
bit 6
Reserved
00C1H
bit 7
Overspeed (os)
bit 8
E xcessive Speed Deviation (dEv)
bit 9
Encoder D isconnected (PGo)
bit A
Input Phase Loss (PF)
bit B
Output Phase Loss (LF)
bit C
Reserved
bit D
D igital Operator Connection Fault (oPr)
bit E
EEPROM Write Error (Err)
bit F
Reserved
Fault contents 5
bit 0
M EM OBUS/M odbus Communication Error (CE)
bit 1
Option Communication Error (bUS)
bit 2, 3
Reserved
bit 4
Control Fault (CF)
00C2H
bit 5
Position Lock Error (SvE)
bit 6
Option External Fault (EF0)
bit 7
Reserved
bit 8
Undertorque Detection 1 (UL3)
bit 9
Undertorque Detection 2 (UL4)
bit A to E
Reserved
bit F
Hardware Fault (includes oFx)
Fault contents 6
bit 0
Reserved
bit 1
Z Pulse Fault Detection (dv1)
bit 2
Z Pulse N oise Fault Detection (dv2)
00C3H
bit 3
Inversion Detection (dv3)
bit 4
Inversion Prevention Detection (dv4)
bit 5
Current Imbalance (LF2)
bit 6
Pullout Detection (STo)
bit 7
Option Card Hardware Fault (PGoH)
bit 8 to F
Reserved
Fault contents 7
bit 0 to 4
Reserved
bit 5
Current Offset Fault (CoF)
00C4H
bit 6 to B
Reserved
bit C
Output Voltage Detection Fault (voF)
bit D
Reserved
bit E
Braking Transistor Overload Fault (boL)
bit F
Reserved
bit 0 to 3
Reserved
00C5H
bit 4
Overacceleration (dv6)
bit 5 to F
Reserved
00C6H, 00C7H
Reserved
Alarm contents 2
bit 0
Undervoltage (Uv)
bit 1
Overvoltage (ov)
bit 2
Heatsink Overheat (oH)
bit 3
Reserved
bit 4
Overtorque 1 (oL3)
bit 5
Overtorque 2 (oL4)
bit 6
U p/D ow n commands Input Error (EF)
00C8H
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
Reserved
bit F
Overspeed (oS)
i d
YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual
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