Danfoss FC 51 Series Programming Manual page 28

Parameter Descriptions
4.5.3 4-4* Adjustable Warnings 2
4-40 Warning Frequency Low
Range:
0.00 [0.0 Hz-
Hz Depend on the
*
value of 4-41
Warning
4 4
Frequency High]
4-41 Warning Frequency High
Range:
400.0 [Depend on
Hz the value of
*
4-40 Warning
Frequency Low
-400.0 Hz]
4.5.4 4-5* Adjustable Warnings
Parameter group containing adjustable warning limits for
current, speed, reference and feedback.
Warnings are shown in display, programmed output or
serial bus.
4-50 Warning Current Low
Range:
0.00 [0.00-26.00
A A]
*
26
®
VLT Micro Drive FC 51 Programming Guide
Function:
Use this parameter to set a lower limit
for the frequency range.
When the motor speed falls below this
limit, the display reads SPEED LOW.
Warning bit 10 is set in 16-94 Ext.
Status Word. Output Relay can be
configured to indicate this warning.
LCP warning light does not light when
this parameter set limit is reached.
Function:
Use this parameter to set a higher
limit for the frequency range.
When the motor speed exceeds this
limit, the display reads SPEED HIGH.
Warning bit 9 is set in 16-94 Ext.
Status Word. Output Relay can be
configured to indicate this warning.
LCP warning light does not light
when this parameter set limit is
reached.
Function:
Use this parameter to set a lower limit
for the current range.
If current drops below the set limit,
warning bit 8 is set in 16-94 Ext. Status
Word.
Output Relay can be configured to
indicate this warning. LCP warning light
does not light when this parameter's set
limit is reached.
Set value for low current limit.
MG02C602 - VLT
4-51 Warning Current High
Range:
26.00 [0.00-26.00
A A]
*
4-54 Warning Reference Low
Range:
-4999.000 [-4999.000-
*
Depend on the
value of 4-55
Warning
Reference High]
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is a registered Danfoss trademark
Function:
Use this parameter to set an upper limit
for the current range.
If current exceeds the set limit, warning
bit 7 is set in 16-94 Ext. Status Word.
Output Relay can be configured to
indicate this warning. LCP warning light
does not light when this parameter's
set limit is reached.
Set upper current limit.
Function:
Use this parameter to set a lower
limit for the reference range.
When the actual reference falls
below this limit, the display reads
Reference Low. Warning bit 20 is
set in 16-94 Ext. Status Word.
Output Relay can be configured to
indicate this warning. LCP warning
light does not light when this
parameter set limit is reached.