Broken Belt Detection - Danfoss VLT AutomationDrive FC 360 Programming Manual

Parameter Descriptions
22-47 Sleep Speed [Hz]
Range: Function:
0 [ 0 - 400.0 ] Set the speed below which the frequency
*
converter goes into sleep mode.

4.19.2 22-6* Broken Belt Detection

Use Broken Belt Detection in both closed and open loop
systems for pumps and fans. If the estimated motor torque
(current) is below the broken belt torque (current) value
(parameter 22-61 Broken Belt Torque) and the frequency
converter output frequency is above or equal to 15 Hz,
22-60 Broken Belt Function is performed.
22-60 Broken Belt Function
Option: Function:
Select the actions to be performed if the broken
belt condition is detected.
[0] Off
*
[1] Warning The frequency converter continues to run, but
activates a broken belt warning [W95]. A
frequency converter digital output or a serial
communication bus can communicates a warning
to other equipment.
[2] Trip The frequency converter stops running and
activates a broken belt alarm [A95]. A frequency
converter digital output or a serial communi-
cation bus can communicate an alarm to other
equipment.
22-61 Broken Belt Torque
Range: Function:
10 % [5 - 100 %] Set the broken belt torque as a percentage
*
of the rated motor torque.
22-62 Broken Belt Delay
Range: Function:
10 s [0 - 600 Set the time for which the broken belt
*
s] conditions must be active before carrying out
the action selected in parameter 22-60 Broken
Belt Function.
MG06C402
Programming Guide
Danfoss A/S © Rev. 2014-03-31 All rights reserved.
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