LSIS S100 User Manual

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RS-485 Communication Features
5.2.4 Command Loss Protective Operation
Configure the command loss decision standards and protective operations run when a
communication problem lasts for a specified period of time.
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 at the time
set at PRT-07 (Trip Dec Time).
3
Hold Input
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
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).

LSIS S100 Specifications

General

Brand	LSIS
Model	S100
Category	DC Drives
Language	English