LSIS 6731001500, User Manual

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Learning Protection Features
6.3.8 Broken Belt
It is a function to detect a problem in case that a Belt or Coupling is broken while a pump is used.
Group Code Name LCD Display
Parameter
Setting
Setting range Unit
PRT
91
Set broken belt
function
BrokenBelt Sel 0 : None
0 None
- 1 Warning
2 Free Run
92
Function frequency of
broken belt
BrokenBelt Freq 15.00 15.00~MaxFreq Hz
93* Motor torque current Current Trq - 0~100.0 %
94**
Function torque
current of broken belt
BrokenBelt Trq 10.0 0~100.0 %
95
Function Delay time
of broken belt
BrokenBelt Dly 10.0 10.0 S
* Current output torque value compared to motor rated torque(%)
** Broken belt operation torque compared to motor rated torque(%)
After inverter is operating in the frequency over PRT-92 and current torque reaches the limit set at
PRT-94 and then it meets the conditions at the time above set PRT-95, Broken Belt is activated.
[BrokenBelt Trq %]
Torque Current
[A]
t
Time count
[BrokenBelt Dly]
t
Broken Belt
Warning or Trip
t
[Current Trq %]
at [BrokenBelt Freq]
No action