Pr.58, Pr.59 – Electronic Thermal Overload Relay; Pr.58 De-Rating For Output Current Vs. Temperature - Danfoss 176F7300 Manual

Pr.58, Pr.59 – Electronic Thermal Overload Relay

Pr.58 De-rating for Output Current vs. Temperature

Factory Setting d02
Units None
Settings d00 Active with standard motor
d01 Active with special motor
d02 Inactive
To prevent self-cooled motors from over heating when running at low speeds, program
this parameter to limit the AC drive output power.
d00:The electronic thermal characteristics match a reduced torque motor
(standard motor).
d01:The electronic thermal characteristics match a constant torque motor
(special motor).
Pr.59 Activation Time for I 2 t Protection
Factory Setting d60
Units 1 Sec
Parameter value d30 - d300 Sec
This parameter programs the time required to activate the I
protection function. The activation time may be defined according to short, standard and
long time ratings.
Operation
time (min)
5
4
3
2
1
0 20 40
2 t electronic thermal
60Hz or more
50Hz
10Hz
5Hz
60 80 100 120 140 160 180 200
150%
48
VLT ® MICRO
Load
factor (%)