Parameter listing and descriptions
243
ACH550 User's Manual
Group 31: AUTOMATIC RESET
This group defines conditions for automatic resets. An automatic
reset occurs after a particular fault is detected. The drive holds
for a set delay time and then restarts automatically. You can limit
the number of resets in a specified time period, and you can set
up automatic resets for a variety of faults.
Code Description
Range
3101
NR OF TRIALS
0…5
Sets the number of allowed automatic resets within a trial period defined
by 3102
TRIAL
TIME
.
• If the number of automatic resets exceeds this limit (within the trial
time), the drive prevents additional automatic resets and remains
stopped.
• Starting then requires a successful reset performed from the control
panel (operator keypad) or from a source selected by 1604
FAULT
RESET
SEL
.
Example:
Three faults have occurred in the trial time. The last is reset
only if the value for 3101
NR
OF
TRIALS
is 3 or more.
3102
TRIAL TIME
1.0…600.0 s
Sets the time period used for counting and limiting the number of resets.
• See 3101
NR
OF
TRIALS
.
3103
DELAY TIME
0.0…120.0 s
Sets the delay time between a fault detection and attempted drive
restart.
• If
DELAY
TIME
= zero, the drive resets immediately.
3104
AR OVERCURRENT
0=DISABLE, 1=ENABLE
Sets the automatic reset for the overcurrent function on or off.
0 =
DISABLE
– Disables automatic reset.
1 =
ENABLE
– Enables automatic reset.
• Automatically resets the fault (
OVERCURRENT
) after the delay set by
3103
DELAY
TIME
, and the drive resumes normal operation.
X
X X
Time
Trial time
x = Automatic reset
Summary of Contents for ACH550-01
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