Stall Setting
Starting Current
Current
0
Due to trip
Time
Time
Start Successful
0
1
t
0
t
1
At the time t1 when the timer is
timed out and the voltage has
remained below Low V Set, the
relay trips on “Stall Prol. Start”.
Time
Low V Detection
0
1
Reac. Time
Reac. Time timer starts
when low voltage
condition is detected.
During this period Stall
function is disabled.
Time
1
0
High V Detection
Reac.Long
Time
Reac. Shed Time
t
2
t
3
At the time t
2
or t
3
,
depending on the
scenario 1 or 2, the
motor is restarted.
Scenario 2; Reac.
Shed Time is set to
other than 0 second.
Scenario 1; Reac.
Shed Time is set to 0
second.
Due to scenario 1
Due to scenario 2
P4963ENa
Figure 77: Automatic restart authorized- voltage restored within the set time
V
T monitors the busbar voltage for automatic restart function to operate correctly. When restart is authorized,
Auto Re-Start and Auto Re-Start OK are asserted.
P24xM Chapter 6 - Current Protection Functions
P24xM-TM-EN-2.1 153