LS ELECTRIC LSLV-H100 Series, User Manual

Page: 357 / 618

RS-485 Communication Features
344
Command Loss Protective Operation Setting Details
Code Description
PRT-12 Lost
Cmd Mode,
PRT-13 Lost
Cmd Time
Select the operation to run when a communication error has occurred and
lasted exceeding the time set at PRT-13.
Setting Function
0 None The speed command immediately becomes the
operation frequency without any protection function.
1 Free-Run The inverter blocks output. The motor performs in
free-run condition.
2 Dec The motor decelerates and then stops.
3 Hold Input Operates continuously with the speed of the inputted
speed command until the loss of the speed
command.
The inverter calculates the average input value for 10
seconds before the loss of the speed command and
uses it as the speed reference.
4 Hold Output Operates continuously with the operate frequency
before the speed loss. The inverter calculates the
average output value for 10 seconds before the loss
of the speed command and uses it as the speed
reference.
5 Lost Preset The inverter operates at the frequency set at PRT-14
(Lost Preset F).