Parameters and firmware blocks
173
Group 46 FAULT FUNCTIONS
Definition of drive behaviour upon a fault situation.
An alarm or a fault message indicates abnormal drive status. For the possible
causes and remedies, see chapter Fault tracing.
46
46 FAULT FUNCTIONS
Firmware block:
FAULT FUNCTIONS
(46)
This block
• configures supervision of external
faults by defining the source (for
example, a digital input) for external
fault indication signal
• selects the reaction of the drive
(alarm; fault; continuation at safe
speed in some cases) upon
situations like local control
communication break, motor/supply
phase loss, earth fault, or Safe
Torque Off function activation
• shows the codes of the latest faults,
the time at which the active fault
occurred, and the alarm words.
Block outputs located in other
parameter groups
8.01 ACTIVE FAULT (page 99)
8.02 LAST FAULT (page 99)
8.03 FAULT TIME HI (page 99)
8.04 FAULT TIME LO (page 99)
8.05 ALARM WORD 1 (page 99)
8.06 ALARM WORD 2 (page 100)
8.07 ALARM WORD 3 (page 100)
8.08 ALARM WORD 4 (page 100)
46.01 EXTERNAL FAULT FW block: FAULT FUNCTIONS (see above)
Selects an interface for an external fault signal. 0 = External fault trip. 1 = No external fault.
Bit pointer: Group, index and bit
46.02 SPEED REF SAFE FW block: FAULT FUNCTIONS (see above)
Defines the fault speed. Used as a speed reference when an alarm occurs when parameter 13.12 AI
SUPERVISION / 46.03 LOCAL CTRL LOSS / 50.02 COMM LOSS FUNC setting is (2) SPD REF
SAFE.
-30000…30000 rpm Fault speed.
46.03 LOCAL CTRL LOSS FW block: FAULT FUNCTIONS (see above)
Selects how the drive reacts to a control panel or PC tool communication break.
(0) NO No action.
FAULT FUNCTIONS
33
TLF 10 2 msec (10)
< 46.01 EXTERNAL FAULT
[ TRUE ]
46.02 SPEED REF SAFE
[ 0 rpm ]
46.03 LOCAL CTRL LOSS
[ Fault ]
46.04 MOT PHASE LOSS
[ Fault ]
46.05 EARTH FAULT
[ Fault ]
46.06 SUPPL PHS LOSS
[ Fault ]
46.07 STO DIAGNOSTIC
[ Fault ]
46.08 CROSS CONNECTION
[ Fault ]
8.01 ACTIVE FAULT
8.02 LAST FAULT
8.03 FAULT TIME HI
8.04 FAULT TIME LO
8.05 ALARM WORD 1
8.06 ALARM WORD 2
8.07 ALARM WORD 3
8.08 ALARM WORD 4
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