Option
Name
Description
[8]
Select setup 2
[9]
Select setup 3
[10]
Select setup 4
[11]
Stop & trip
Warning 90, Feedback monitor
is active as soon as the value in
parameter 4-31 Motor Feedback Speed Error
is exceeded, regardless of
the setting in
parameter 4-32 Motor Feedback Loss Timeout
.
Warning/Alarm 61, Feedback Error
is related to the motor feedback loss
function.
Parameter 4-31 Motor Feedback Speed Error
Table 239: Parameter 4-31 Motor Feedback Speed Error
4-31 Motor Feedback Speed Error
Default value: 300 RPM
Parameter type: Range, 1 - 600 RPM
Setup: All setups
Conversion index: 67
Data type: Uint16
Change during operation: True
Select the minimum allowed error in speed (output speed vs. feedback).
Time
[sec]
Speed
[rpm]
n
calc
n
actual
P 4-32
e
3
0
b
a
2
2
1
.1
1
P 4-31
Illustration 49: Motor Feedback Speed Error
Parameter 4-32 Motor Feedback Loss Timeout
Table 240: Parameter 4-32 Motor Feedback Loss Timeout
4-32 Motor Feedback Loss Timeout
Default value: Size related
Parameter type: Range, 0 - 60 RPM
Setup: All setups
Conversion index: -2
Data type: Uint16
Change during operation: True
Set the timeout value allowing the speed error set in
parameter 4-31 Motor Feedback Speed Error
to be exceeded before enabling the
function selected in
parameter 4-30 Motor Feedback Loss Function
.
AU373327181955en-000101 / 130R1208 | 129
Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide