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6
Positioning mode
Festo – GDCP-CMMS/D-FW-EN – 1404NH – English
167
Homing to stop
The motor controller must not permanently control to the stop.
Recommendation: Parameterise an axis zero point outside the effective range of the stop
and end-position cushioning (e.g. ≥ 3 mm) and activate the FCT option “Travel to axis zero
point after homing”.
Code
Description
hex
dec
EEh
-18
Positive stop
1)
1. Search for stop/homing point in the positive
direction:
Travel with “Search” speed in a positive direc-
tion until the stop
2)
has been detected. This
position is taken as the homing point.
2. If an axis zero point is parameterised and the
FCT option “Travel to axis zero point after
homing” is activated:
Travel with “Run” speed to the axis zero point.
+
–
EFh
-17
Negative stop
1)
1. Search for stop/homing point in the negative
direction:
Travel with “Search” speed in a negative direc-
tion until the stop
2)
has been detected. This
position is taken as the homing point.
2. If an axis zero point is parameterised and the
FCT option “Travel to axis zero point after
homing” is activated:
Travel with “Run” speed to the axis zero point.
+
–
1)
Limit switches are ignored during travel to the stop.
2)
The stop is detected after the current has risen.
Tab. 6.30
Overview: Homing to stop
Содержание CMMD-AS series
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