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Group 31: Automatic Reset
The automatic reset system can be used for resetting overcurrent,
overvoltage, undervoltage and analogue input loss faults automatically.
Number of allowed automatic reset operations within a certain time is
selectable.
Warning! If parameter 3107
even after a long stop when the analogue input signal is restored. Ensure that
the use of this feature will not cause physical injury and/or damage
equipment.
Code Description
3101 NR OF TRIALS
Sets the number of allowed autoresets within a certain time. The time is defined
with parameter 3102
and remains stopped until a successful reset is performed from the control panel
or from a place selected by parameter 1604
3102 TRIAL TIME
The time within which a limited number of fault autoresets is allowed. The
allowed number of faults per this time period is given with parameter 3101
.
TRIALS
3103 DELAY TIME
This parameter sets the time that the ACS140 will wait after a fault occurs before
attempting to reset. If set to zero, the ACS140 will reset immediately.
3104 AR OVERCURRENT
0 =
DISABLE
1 =
ENABLE
If 1 is selected, the fault (motor overcurrent) is reset automatically after the delay
set by parameter 3103, and the ACS140 resumes normal operation.
3105 AR OVERVOLTAGE
0 =
DISABLE
1 =
ENABLE
If 1 is selected, the fault (DC bus overvoltage) is reset automatically after the
delay set by parameter 3103, and the ACS140 resumes normal operation.
3106 AR UNDERVOLTAGE
0 =
DISABLE
1 =
ENABLE
If 1 is selected, the fault (DC bus undervoltage) is reset automatically after the
delay set by parameter 3103
operation.
3107 AR AI<MIN
0 =
DISABLE
1 =
ENABLE
If 1 is selected, the fault (analogue input signal under minimum level) is reset
automatically after the delay set by parameter 3103
X
x = Automatic reset
Figure 13 Operation of automatic reset function. In this example, if the fault
occurs at the moment "Now", it is automatically reset if parameter 3101
value is greater than or equal to 4.
TRIALS
AR AI<MIN
. The ACS140 prevents additional autoresets
TRIAL TIME
DELAY TIME
Trial time
X X
Now
ac.maher.co.ir
is enabled, the drive may restart
FAULT RESET SEL
, and the ACS140 resumes normal
DELAY TIME
.
NR OF
.
Time
NR OF
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