E5 Series High Performance Universal Inverter User’s Manual
102
Chapter 6 Parameter Descriptions
Overload pre-alarm function can realize indication of pre-setting overload status or alarm stop.
Figure 6−35 Overload pre-alarm detection signal
PA.T3 determines overload pre-alarm detection mode and conditions.
PA.T3 Inverter or motor overload pre-alarm
Ones place
Detection mode selection
0: Motor overload pre-alarm, relative to motor rated current
T: Inverter overload pre-alarm, relative to inverter rated current
Tens place
Action selection after overload pre-alarm
0: Continue to run
T: Report overload fault and stop
Hundreds place
Detection conditions selection
0: Detection all the time
T: Detection only at constant speed
PA.T3 ones place is used to determine overload mode is motor overload pre-alarm or inverter overload
pre-alarm.
PA.T3 tens place is used to determine continues running or output fault if the actual output current
exceeds PA.T4 (overload pre-alarm detection level) setting and the last time is longer than PA.T5
( overload pre-alarm detection time).
If ones place is set to “0”, “E.oLT” will be displayed.
If ones place is set to “T”, “E.oLT” will be displayed.
PA.T3 hundreds place is used to determine when the overload pre-alarm function detection is activated.
Note:
The function of multi function output terminal (P7.00 to P7.0T) can be set to “4: Overload detection signal
(OL)” to display overload pre-alarm signal.
0.T ~ 60.0 s (5.0s)
Overload pre-alarm detection time
PA.T5
T0.0 ~ T00.0 % (T30.0%)
Overload pre-alarm detection level
PA.T4
000 ~ TTT(000)
Inverter or motor overload pre-alarm
PA.T3
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