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8
Basic drive functions (MCK)
8.8
Positioning
594
Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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8.8.4.2
Starting/cancelling a traversing task
Control is exercised by means of bits 16 ... 19 in the
If the
Motion Control Kernel
is downstream from the
MCKInterface
in the circuit, the
FB provides the following process inputs for controlling the operating mode:
Tip!
Travel requests/profiles can also be started while the drive is running. The drive does not
need to be at standstill.
Related topics:
Target position monitoring (status "drive in target")
Monitoring of the maximum travel distance
Following error monitoring system
Homing
MCK control word
Bit 19
Bit 18
Bit 17
Bit 16
PosStop
Pos
DisableFollowProfile
PosFinishTarget
PosExecute
Start travelling
0
0
0
0
1
Complete interrupted profile
0
0
0
1
0
Do not travel sequence profile
0
1
X
X
Cancel travelling*
1
X
X
X
*
From version 11.00.00
, more travel requests will be inhibited ("PosExecute" will be blocked).
X = Status not significant
Designator
Data type
Information/possible settings
bPosExecute
BOOL
Start travelling
FALSE
TRUE Execute selected profile
bPosExecuteFinish
BOOL
Complete interrupted profile
FALSE
TRUE A positioning process previously cancelled, e.g. by
bPosStop
or due to
a device error, is resumed by travelling to the original target.
From version 14.00.00
,
bPosExecuteFinish
serves to permanently
retravel to the original target even if the profile has been completed
once or several times.
bPosDisableFollowProfile
BOOL
Do not execute following profile (switch off profile linkage)
TRUE Evaluation of the sequence profile number parameterised in
for the selected profile is suppressed.
bPosStop
BOOL
Cancel travelling
TRUE Stop positioning
From version 11.00.00
, more travel requests will be inhibited
("PosExecute" will be blocked).