LSIS G100, Operation Manual

Page: 206 / 343

6.3 Under load Fault Trip and Warning
Group Code Name Setting Setting Range Unit
Pr
04
Load level
setting
0 Normal Duty - -
25
Under load
warning
selection
1 Yes 0
–1
-
26
Under load
warning time
10.0 0
–600
sec
27
Under load fault
selection
1 Free-Run - -
28
Under load fault
time
30.0 0
–600
sec
29
Under load lower
limit level
30 10
–100
%
30
Under load
upper limit level
30 10
–100
%
Under Load Trip and Warning Setting Details
Code and
Features
Description
Pr.27 UL Trip Sel
Sets the occurrence of the under load trip. If set to 0 (None), the
underload fault trip is not detected. If set to 1 (Free-Run), the output is
blocked in an underload fault trip situation. If set to 2 (Dec), the motor
decelerates and stops when an underload trip occurs.
Pr.25 UL Warn
Sel
Sets the underload warning options. Set to 1 (Yes) and set the
multi-function output terminals (at OU-31 and 33) to 7
(UnderLoad). The warning signals are output when an underload
condition arises.
Pr.26 UL Warn
Time,
Pr.28 UL Trip
Time
The protection function operates when the underload level condition
explained above is maintained for a set warning time or fault trip time.
This function does not operate if energy-saving operation is activated
at Ad-50 (E-Save Mode).
Pr.29 UL LF
Level, Pr.30 UL
BF Level
•
Setting Heavy Duty
- Do not support Pr.29.
-
At Pr.30, the underload level is decided based on the motor’s
rated current.