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2.6 Main Menu - Limits/Warnings - Group 4
2.6.1 4-** Limits and Warnings
Parameter group for configuring limits and warnings.
2.6.2 4-1* Motor Limits
Define torque, current and speed limits for the motor, and the reaction of the frequency converter when the limits are exceeded.
A limit may generate a message on the display. A warning will always generate a message on the display or on the fieldbus. A monitoring function may
initiate a warning or a trip, upon which the frequency converter will stop and generate an alarm message.
4-10 Motor Speed Direction
Option:
Function:
Selects the motor speed direction required. When par. 1-00 Configuration Mode is set to Closed loop
[3], the parameter default is changed to Clockwise [0]. If both directions are chosen, running in
Counter Clockwise direction cannot be chosen from the LCP.
[0] *
Clockwise
[2]
Both directions
Selects the motor speed direction required.
4-11 Motor Speed Low Limit [RPM]
Range:
Function:
0 RPM*
[0 - par. 4-13 RPM]
Enter the minimum limit for motor speed. The Motor Speed Low Limit can be set to correspond to
the manufacturer’s recommended minimum motor speed. The Motor Speed Low Limit must not
exceed the setting in par.4-13
4-12 Motor Speed Low Limit [Hz]
Range:
Function:
0 Hz*
[0 - par. 4-14 Hz]
Enter the minimum limit for motor speed. The Motor Speed Low Limit can be set to correspond to
the minimum output frequency of the motor shaft. The Speed Low Limit must not exceed the setting
in par.4-14
.
4-13 Motor Speed High Limit [RPM]
Range:
Function:
1500. RPM* [par. 4-11 - 60000. RPM]
Enter the maximum limit for motor speed. The Motor Speed High Limit can be set to correspond to
the manufacturer’s maximum rated motor. The Motor Speed High Limit must exceed the setting in
par.4-11
. Only par.4-11
will be displayed depending on other parameters in the Main Menu
and depending on default settings dependant on global location.
NB!
The output frequency value of the frequency converter must not exceed a value higher than 1/10 of the switching frequency.
NB!
Any changes in par.4-13
will reset the value in par.4-53
to the same value as set
.
2 Parameter Description
VLT
®
AQUA Drive Programming Guide
58
MG.20.O4.02 - VLT
®
is a registered Danfoss trademark
2