LS ELECTRIC LSLV-H100 Series, Руководство пользователя

Страница: 339 / 618

Learning Protection Features
326
6.3 Under load Fault Trip and Warning
The following table lists the under load fault trip and warning features of the H100 series
inverter.
Group Code Name LCD Display Parameter Setting Setting range Unit
PRT
23
Under load
detection Source
UL Source 0
Output
Current
0
–1
-
24
Under load
detection Band
UL Band 10.0 0.0
–100.0
%
25
Under load
warning selection
UL Warn Sel 1 Yes 0
–1
-
26
Under load
warning time
UL Warn Time 10.0 0
–600.0
sec
27
Under load trip
selection
UL Trip Sel 1 Free-Run 0-2 -
28
Under load trip
timer
UL Trip Time 30.0 0
–600.0
sec
Under Load Trip and Warning Setting Details
Code Description
PRT-23
UL Source Select a source to detect the under load trip. An under load trip can be
detected using output current or output power.
PRT-24
UL Band
Make a standard value for the under load fault occurrence using system
load%-UL Band value set in each frequency of the load characteristics
curve made by the AP2-01 Load Tune.
PRT-25
UL Warn Sel
Select the under load warning options. Set the multi-function output
terminals (at OUT-31
–35 and 36) to ‘7’ (Under load). The warning signals
are output when under load conditions occur.
PRT-26
UL Warn Time A protect function operates when under load level condition explained
above maintains for the warning time set.
PRT-27
UL Trip Sel
Sets the inverter operation mode for situations when an under load trip
occurs. If set to ‘1 (Free-Run)’, the output is blocked in an under load fault
trip event. If set to ‘2 (Dec)’, the motor decelerates and stops when an under
load trip occurs.
PRT-28
UL Trip Time A protect function operates when under load level conditions explained
above maintain for the trip time set.