Vacon 100 INDUSTRIAL - Page 167

Parameters vacon • 167
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Figure 60. Setting of minimum load
P3.9.4.4 TIME LIMIT
This time can be set between 2.0 and 600.0 s.
This is the maximum time allowed for an under load state to exist. An internal up/down counter
counts the accumulated under load time. If the under load counter value goes above this limit the
protection will cause a trip according to parameter P3.9.4.1). If the drive is stopped the under load
counter is reset to zero. See Figure 61.
Figure 61. Under load time counter function
Par.
ID714
9131.emf
Par.
ID715
f
5 Hz
Underload area
Torque
Fieldweakening
point
Par. ID716
9132.emf
Trip area
Time
Underload time counter
Underload•
No underl.
Trip/warning
par. ID713