BBV28581 05/2010 95
Configuration Mode - Complete menu (FULL)
Code Name/Description Adjustment range Factory setting
FLt- Fault detection management menu (continued)
USb- Undervoltage menu
USb M Undervoltage fault management 0
O
1
Behavior of the drive in the event of an undervoltage
vDetected fault and R1 relay open.
vDetected fault and R1 relay closed.
StP M Undervoltage prevention nO
nO
rMP
Behavior in the event of the undervoltage fault prevention level being reached
vNo action (freewheel)
vStop following an adjustable ramp Undervoltage ramp deceleration time StM.
StM
T
M Undervoltage ramp deceleration time 0.0 to 10.0 s 1.0 s
Ramp time if Undervoltage prevention StP = rMP.
FLt- Fault detection management menu (continued)
Strt M IGBT test nO
nO
YES
vNo test
vThe IGBTs are tested on power up and every time a run command is sent. These tests cause a slight
delay (a few ms). In the event of a fault, the drive will lock. The following faults can be detected:
- Drive output short-circuit (terminals U-V-W): SCF display
- IGBT: xtF, where x indicates the number of the IGBT concerned
IGBT short-circuited: x2F, where x indicates the number of the IGBT concerned
LFL1 M 4-20 mA loss behavior nO
nO
YES
vFault ignored. This configuration is the only one possible if AI1 current scaling parameter of 0% CrL1
page 52 is not greater than 3 mA or if AI1 type AI1t = 10U.
vFreewheel stop.
InH M Detected fault inhibition assignment nO
nO
L1H
L2H
L3H
L4H
To assign fault inhibit, press and hold down the “ENT” key for 2 s.
vFunction inactive
vL1h: LI1 active high
vL2h: LI2 active high
vL3h: LI3 active high
vL4h: LI4 active high
Following detected faults can be inhibited:
InFb, SOF, tnF,OHF, OLF, OPF1, OPF2, OSF, SLF1, SLF2, SLF3, tJF, and USF.
DANGER
LOSS OF PERSONNEL AND EQUIPMENT PROTECTION
Enabling the fault inhibition parameter InH will disable the drive controller protection features.
• InH should not be enabled for typical applications of this equipment.
• InH should be enabled only in extraordinary situations where a thorough risk analysis demonstrates that the
presence of adjustable speed drive protection poses a greater risk than personnel injury or equipment damage.
Failure to follow these instructions will result in death or serious injury.
To change the assignment of this parameter press the “ENT” key for 2 s.
TParameter that can be modified during operation or when stopped.
I-O-
drC-
CtL-
FUN-
FLt-
COM-
2 s
2 s