Detailed Description
2.1 General functionality
Basic logic functions: Travel to fixed stop (F1)
22 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Changing the clamping torque using the ramp and values greater than 100%
A clamping torque change is transferred to the drive steplike. It is possible to specify a ramp
always such that a modified torque limit is reached via machine data:
MD37012 $MA_FIXED_STOP_TORQUE_RAMP_TIME
to specify.
Clamping torque greater than 100%
Values greater than 100% for the setting data:
SD43510 $SA_FIXED_STOP_TORQUE
are only meaningful for a short time.
Irrespectively, the maximum torque is limited by the drive.
The drive machine dates have a limiting effect, i.e.:
MD1103 Motor current
MD1104 maximum motor current
MD1105 Reduction in max. motor current
MD1230/1231 torque limiting value 1/2
For further information, please refer to the Planning Guide SIMODRIVE ThreePhase Motors
for Feed and Main Spindle Drives and to the appropriate document regarding the hydraulic
module /FBHLA/.
References:
/FBHLA/ Description of Functions HLA module
Status query in the parts program
System variable $AA_FXS[x] indicates the status of the "travel to fixed stop" function.
It has the following coding:
$AA_FXS=0 Axis not at fixed stop.
$AA_FXS=1 Fixed stop has been approached successfully
(axis is within fixed stop monitoring window).
$AA_FXS=2 Approach to fixed stop has failed
(axis is not at fixed stop).
$AA_FXS=3 Travel to fixed stop activated.
$AA_FXS=4 Fixed stop detected.
$AA_FXS=5 Travel to fixed stop is deselected.
The deselection is not yet completed.
Query of the system variable in the parts program initiates a block search stop.
As a result of the status query in the parts program, it is possible, for example, to react to an
erroneous operational sequence of the "Travel to fixed stop" function.
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