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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8.6.1.2 Homing mode
Specify the referencing mode in C01221 , i.e. the way in which referencing is to take place.
• For reference setting, the referencing mode "100" is to be selected in C01221
.
• For a reference search, C01221
contains referencing modes "4"..."15" which can be selected
from.
Internal interfaces
The switches/sensors are evaluated via the following internal interfaces:
Referencing mode
C01221
Evaluated signals/sensors
Touch probe sensor
(Sensor reference signal)
Travel range limit switch Pre-stop mark at
bHomingMark
Negative limit switch Positive limit switch
4 *
5 *
6
7
8
9
10
11
12
13
14 Positive direction of rotation to torque limit.
15 Negative direction of rotation to torque limit.
100 Set reference directly.
* From version 14.00.00
Switch/sensor Internal interface for digital input signal
Touch probe sensor
(Sensor reference signal)
• Up to and including version Version 05.xx.xx, a signal at digital
input DI3 is automatically interpreted as TP sensor signal with
level sensitivity.
• That way, TP sensitive homing modes can be used even if high
TP precision is not available.
• In this case, the search speed must be selected in order that the
signal at DI3 will be detected.
• From version 06.00.00, high-precision homing with touch probe
is supported.
• The touch probe signal source can be selected in C01246/1
.
• If the reference signal is to follow a real touch probe, configure
the touch probe signal accordingly. Touch probe detection
( 357)
• Note: In case of setting "0: No TP" in C01246/1
, the digital input
DI3 is continued to be used as signal source. An inversion of DI3
via C00114
is considered.
Positive travel range limit switch bLimitSwitchPos
Negative travel range limit switch bLimitSwitchNeg
Pre-stop mark/pre-stop signal bHomingMark
• This input has to be connected to the corresponding digital input
to which the pre-switch off sensor is connected.
• The edge sensitivity of this input and the response to the pre-
switch off signal depend on the selected homing mode (see the
following description of the homing modes).
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