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Overload alarm
Overload (5 minutes)
Overload (20 minutes)
Over speed
Output frequency high
DC bus over-voltage positive/negative
Panel safety switch
Emergency Stop by Keypad
Parameter setting error
PLL phase error
PLD error
Pre-charge CTT trip
Pre-charge CTT alarm
DC Bus Charging Failure
Rectifier failure
Reverse rotation failure
Rotation/start failure
Soft stall
Analog Input Fault
Speed feedback error
Speed feedback error2
Speed reference lost
Speed reference lost alarm
Motor turning start interlock
Spare input 1-4
Spare input 1-4 timer
System configuration error
Communication error 1-4
Main under-voltage
AC main voltage drop
DC under-voltage start interlock
DC under-voltage trip
External equipment electrical ready condition
External safety switch
Input voltage phase loss
Input Voltage Phase Rotation Error
Converter Input Phase Lost
Output current phase loss
Inverter output voltage PLL error
Transfer Failure
Transfer Incomplete Sequence
Capture Failure
Stator Over Voltage
Field Current Limit Timer
Field Current Limit Timer Alarm
Exciter Failure (Exciter Detection)
Instantaneous Field Overcurrent (Exciter
Detection)
Instantaneous Field Overcurrent
Exciter Stopped while Running
Field Current Lost
Limit Fault Reset
(Note 1) Hardware Detection: Items for which all IGBTs are directly turned off by hardware. Software Detection: Items for which the
protective interlock operation is performed by detecting errors, via software.
(Note 2) "O" marks in the interlock operation fields can be selected by parameter setting.
"*" indicates that the equipment outputs the trip signal to the input main circuit breaker.
"x" indicates the phase (U,V,W).
IF08CZ10 April, 2019
Hardware
Abbreviation
Detection
OL_A,OL_A_B
OL5, OL5_B
OL20, OL20_B
OSS
OSS_F0
OV_xP
OV_xN
P_SW
O
DSP_ESTP
O
PARA_ERR
PHASE_ERR
PLD_ERR
PRE_CTT
PRE_CTT_F
REC_F
FUSE
REV_ROT_F
ROT_F
SOFT_STL
AIN_FAULT
SP_ERR
SP_ERR2
SP_LOST
SP_LST_A
SP_SIL
SPA1-4
SPA1-4_T
SYS_ERR
TL_F1-4
UV_MPSF
UVA_SIL
UV_SIL
UVD, UVD_B
UVA_EX
UVS
O
VAC_PH_LOSS
VAC_ROT_F
VCNV_PH_LOSS
_
VINV_PH_LOSS
VPLL_ERR_
XFR_FAIL
XFR_INCMP
CPT_FAIL
OV_S
FCL_T
FCL_TA_
FL_FAULT_
FOC
FOC_S
FSTOP
LF
LMT_FRST
- 23 -
Heavy Fault
Medium
Software
Detection
Coast
Decel
to stop
stop
request
O
O
O
O
O
O*
O
O*
O
O*
O
O
O
O
O
O
O
O*
O
O
O
O
O
O*
O
O*
O
O*
O
O*
O
O*
O
O*
O
O
O
O
O*
O
O
O*
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O*
O
O*
O
O
O*
O
O*
O
O*
O
O*
O
O*
O
O*
Light
Start
Fault
Fault
Interlock
Stop
Alarm
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
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