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6
Positioning mode
Festo – GDCP-CMMS/D-FW-EN – 1404NH – English
165
Homing to limit switch
Code
Description
hex
dec
12 h
18
Positive limit switch
1. Search for limit switch in the positive direc-
tion
1)
:
Travel with “Search” speed in a positive direc-
tion until the limit switch has been detected.
2. Search for homing point in the negative direc-
tion:
Travel with “Crawl” speed in a negative direc-
tion until the limit switch switches back into
the neutral position. This position is taken as
the homing point.
3. 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.
Positive limit switch
+
–
11 h
17
Negative limit switch
1. Search for limit switch in the negative direc-
tion
1)
:
Travel with “Search” speed in a negative direc-
tion until the limit switch has been detected.
2. Search for homing point in the positive direc-
tion:
Travel with “Crawl” speed in a positive direc-
tion until the limit switch switches back into
the neutral position. This position is taken as
the homing point.
3. 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.
Negative limit switch
+
–
1)
If the limit switch is active, continue at 2nd point.
Tab. 6.28
Overview: Homing to limit switch
Содержание CMMD-AS series
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