6.3 Under load Fault Trip and Warning
Under load
warning
selection
Under load fault
selection
Under load lower
limit level
Under load
upper limit level
Under Load Trip and Warning Setting Details
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.
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.
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
- Do not support Pr.29.
- At Pr.30, the underload level is decided based on the motor’s
rated current.