4-148
Automatic restart operation:
Inverter trips and inverter output is turned off, keypad shows the active fault. Next inverter waits for the minimum
baseblock time parameter 07-18 to expire before accepting an automatic restart command.
After the minimum baseblock time (07-18) and speed search delay time have expired, the active fault is reset and
a speed search operation is performed. The time between each fault restart attempt is set by parameter 07-01.
When the total number of restart attempts has exceed the number of automatic restart attempts set in parameter
07-02, the inverter will turn off the output and the fault contact is activated. Manually resetting the inverter is
required at this time.
Please refer to figure 4.3.56 for the automatic restart operation.
07-18 + 07-22
Fault
Message
Output
Frequency
time
time
Figure 4.3.56 Auto-restart operation
07-03
Reset Mode Setting
Range
【
0
】
:
Enable Reset Only when Run Command is Off
【
1
】
:
Enable Reset when Run Command is On or Off
07-03=0 Cycle input run command to reset and restart inverter.
Note:
Damage to the Inverter may occur when the auto restart function is used frequently.
07-04
Momentary Power Loss and Restart
Range
【
0
】
: Enable Direct Running on Power Up
【
1
】
: Disable Direct Running on Power Up
07-05
Delay-ON Timer
Range
【
1.0~300.0
】
Sec
When direct run on power up is enabled (07-04=0) and the inverter is set to accept an external run command
(00-02/00-03=1), the inverter will automatically start when power is applied and the run switch is ON.
It is recommend turning off the run switch when power to the inverter is turned off to avoid possibility of injury to
operators and damage to machines when power is applied to the inverter.
Note: If this mode is required for the application all safety measures must be taken to ensure safe
operation, including adding and posting warning labels
.
When direct run is disabled (07-04 =1) and the inverter is set to accept an external run command (00-02/00-03=1),
the inverter will not start when power is applied. In this condition the display will flash with STP1. To start the
inverter turn the run switch to OFF and back ON again.