LSIS S100 Option Manual

S100 PROFInet Option Manual
13
5.4 PRT Group
5.4.1 [PRT-12] Lost Cmd Mode: Lost Command Mode Options
Select the inverter’s operation mode for a “Lost Command” condition caused by a
communication error.
The following table lists available operation modes.
Settings
Description
0
None
Speed reference becomes the operating frequency, without
a protective operation.
1
Free-Run
The inverter cuts off the output and the motor free-runs.
2
Dec
The inverter performs a deceleration stop according to the
time set at “Trip Dec Time.”
3
Hold Input
The inverter keeps operating using the speed reference
received before the command loss.
4
Hold Output
The inverter keeps operating using the operation frequency
it was operating at before the command loss.
5
Lost Preset
The inverter operates using the frequency reference set at
Pr-14 “Lost Preset F.”
5.4.2 [PRT-13] Lost Cmd Time: Lost Command Decision Time
Sets the time taken for the inverter to decide that a command has been lost, and
apply the “Lost Command Modes” set at [PRT-12]. The setting range is from 0.1–120
seconds.
5.4.3 [PRT-14] Lost Preset F: Frequency Reference for Lost
Command
Sets a protective function that allows the inverter to run at a frequency reference that
is pre-set at [PRT-14], when command via the communication module is lost. The
setting range is between the start frequency and the maximum frequency [Hz].

LSIS S100 Specifications

General

Brand	LSIS
Model	S100
Category	DC Drives
Language	English