LSIS H100, Operation Manual

Page: 369 / 610

355
RS-485 Communication Features
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).