Function library
Positioning control
3.4.8 Homing
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EDSVS9332P−EXT DE 2.0
Mode 11: Traversing direction to negative POS−LIM−NEG
Travel in negative direction up to POS−LIM−NEG, reverse there and reference to TP. TP can also be
the negative edge of POS−LIM−NEG.
Otherwise identical with mode 10
Tip!
In order to save initiators the limit switch (POS−LIM−xxx) can be simultaneously used as touch probe.
The TP input is selected under C1214.
Since the limit switches are factory−set to LOW active, select the rising edge for TP (C1215/x = 0).
After homing, the drive must not directly stop on the reference point, since this may result in a
response of the travel range limit switches. The reference limit point must be set accordingly.
3.4.8.10 Second homing speed
Second homing speed
A second homing speed (C1241) can be activated by C1216.
Homing procedure with activated second homing speed:
Modes 0, 1:
To POS−REF−MARK at first speed, then at second speed.
Modes 2, 3:
At first speed to limit switch POS−LIM−POS (mode 2) or POS−LIM−NEG (mode 3), second speed after
reversing.
Modes 4, 5:
To limit switch POS−REF−MARK at first speed, second speed after reversing.
Modes 6, 7:
To POS−REF−MARK at first speed, then at second speed.
Modes 8, 9:
Only at first speed to reference point via TP.
Modes 10, 11:
To limit switch POS−LIM−POS or POS−LIM−NEG at first speed, second speed after reversing.
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