8basic drive functions (mck) – Lenze 8400 HighLine User Manual

Page 551

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Lenze · 8400 HighLine · Referenzhandbuch · DMS 10.0 EN · 06/2014 · TD05/TD14

551

8

Basic drive functions (MCK)

8.6

Homing

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

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

<

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

<

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

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