ABB ACH550-01 User Manual page 255

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
3101 NR OF TRIALS
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
.
RESET SEL
Example: Three faults have occurred in the trial time. The last is reset
only if the value for 3101
3102 TRIAL TIME
Sets the time period used for counting and limiting the number of resets.
• See 3101
NR OF TRIALS
3103 DELAY TIME
Sets the delay time between a fault detection and attempted drive
restart.
• If
DELAY TIME
3104 AR OVERCURRENT
Sets the automatic reset for the overcurrent function on or off.
0 = – Disables automatic reset.
DISABLE
1 = – Enables automatic reset.
ENABLE
• Automatically resets the fault (
3103
DELAY TIME
Parameter listing and descriptions
.
NR OF TRIALS
Trial time
X X X
x = Automatic reset
.
= zero, the drive resets immediately.
OVERCURRENT
, and the drive resumes normal operation.
Range
0...5
is 3 or more.
Time
1.0...600.0 s
0.0...120.0 s
0=DISABLE, 1=ENABLE
) after the delay set by
FAULT
243