Lenze 8400 - Page 558

8 Basic drive functions (MCK)
8.6 Homing
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Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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Abbreviations used for the referencing modes:
Mode 4: >_Rp_<_TP
(from version 14.00.00)
Process of case 1
 Axis has not yet reached the pre-stop mark (bHomingMark = FALSE):
1. Movement in positive direction with start profile data set.
2. Reversing in case of positive edge at bHomingMark and, at the same time, activating the search
profile data set for continued reference searching.
3. Negative edge at bHomingMark enables home position detection.
4. Following edge of the touch probe sensor sets home position.
Process of case 2
 Axis is already on the pre-stop mark (bHomingMark = TRUE):
1. Movement in negative direction with search profile data set.
2. Negative edge at bHomingMark enables home position detection.
3. Following edge of the touch probe sensor sets home position.
Abbreviation Meaning
> Movement in positive direction
Set reference Movement in negative direction
Lp Positive travel range limit switch
Ln Negative travel range limit switch
Rp Positive edge pre-stop mark/pre-stop signal
Rn Negative edge - pre-stop mark/pre-stop signal
TP Touch probe or sensor reference signal/reference switch detected
Mlim Torque limit value reached
 Touch probe
 Pre-stop mark
Mode 4 > Rp Set
reference
TP Offset path Sequence profile (optional)
Start speed Search speed Profile speed
Lp
Active Active Active Active Active Active
Ln Inactive
Active Active Active Active Active
1
2
0
1