Position Monitor; Position Error Function; Maximum Position Error; Position Limit Function - Danfoss VLT AutomationDrive FC 302 Programming Manual

Parameter Descriptions

3.5.6 4-7* Position Monitor

4-70 Position Error Function

Option: Function:
NOTICE
This parameter is only available
with software version 48.XX.
Select the function which is activated
when the position error exceeds the
maximum allowed value. Position error is
the difference between the actual
position and the commanded position.
The position error is the input for the
position PI controller.
[0] Disabled The frequency converter does not
*
monitor the position error.
[1] Warning The frequency converter issues a warning
when the maximum allowed position
error is exceeded. The frequency
converter continues operation.
[2] Trip The frequency converter trips when the
maximum allowed position error is
exceeded.
[3] Jog
[4] Freeze Output
[5] Max Speed
[6] Switch to Open
Loop
[7] Select Setup 1
[8] Select Setup 2
[9] Select Setup 3
[10] Select Setup 4
[11] Stop & Trip
[12] Trip/Warning
[13] Trip/Catch

4-71 Maximum Position Error

Range:
1000 Custom- [0 -
ReadoutUnit2 2147483647
*
CustomRea-
doutUnit2]
MG33MP02
Programming Guide
Function:
NOTICE
This parameter is only
available with software
version 48.XX.
Enter the maximum allowed
position tracking error in
position units defined in
parameter group 17-7* Position
Scaling. If this value is exceeded
during the time set in
parameter 4-72 Position Error
Timeout the position error
function in
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4-71 Maximum Position Error
Range:
4-72 Position Error Timeout
Range: Function:
NOTICE
0.100 [0.000 -
s 60.000 s]
*
This parameter is only available with
software version 48.XX.
If the error defined in
parameter 4-71 Maximum Position Error is
present longer than the time in this
parameter, the frequency converter activates
the function selected in
parameter 4-70 Position Error Function.

4-73 Position Limit Function

Option: Function:
NOTICE
This parameter is only available with
software version 48.XX.
Select the function which is activated when the
position is outside the limits defined in
parameter 3-06 Minimum Position and
parameter 3-07 Maximum Position.
[0] Disabled The frequency converter does not monitor the
position limits.
[1] Warning The frequency converter issues a warning when
the position is outside the limits.
[2] Warning & The frequency converter issues a warning when
Trip the set target is outside the position limits. The
frequency converter starts the positioning and
then trips when the position limit is reached.
[3] Abs. Pos. The frequency converter monitors position limits
Mode only in absolute positioning mode. The
*
Stop frequency converter issues a warning and stops
at the position limit when the target position is
outside the position limits.
[4] Abs. Pos. The frequency converter monitors position limits
Md. Stop only in absolute positioning mode. The
& Trip frequency converter stops at the position limit
and trips when the target position is outside the
position limits.
[5] Position When the set target is outside the position
Stop limits, the frequency converter uses the position
limit as target. This option works in all modes of
operation including speed and torque control.
The frequency converter issues a warning when
at limit position.
Function:
parameter 4-70 Position Error
Function is activated.
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