Danfoss PTU 025 Programming Guide

3.25 Parameters: 30-** Special Features
30-22 Locked Rotor Protection
Available for PM motors only, in VVC
+
open-loop mode.
Option: Function:
[0] O
[1] On Protects the motor from the locked rotor condition. The
control algorithm detects a possible locked rotor
condition in motor and trips the frequency converter to
protect the motor.
30-23 Locked Rotor Detection Time [s]
Available for PM motors only, in ux sensorless-mode and VVC
+
open-loop mode.
Range: Function:
Size related* [0.05 - 1 s] Time period for detecting the locked
rotor condition. A low parameter
value leads to faster detection.
Parameter Descriptions
VLT
®
HVAC Drive FC 102
208 Danfoss A/S © 03/2015 All rights reserved. MG11CE02
33

Danfoss PTU 025 Specifications

General

Brand	Danfoss
Model	PTU 025
Category	DC Drives
Language	English