Operating Modes
Parameter manual b maXX BM3000
Document no.: 5.12001.07 Baumüller Nürnberg GmbH
670
of 820
4.8
The specifications of the predecessor and the successor segment can be changed during
operation. This way branchings of the curve can be realized.
The following information is specified when defining a curve segment:
At this point it is important that a single segment isn't bound to a fixed position of the mas-
ter axis or of the drive due to its definition. A certain distance of the master axis and the
drive is defined by a segment. The starting point of a segment is the terminal point of the
prior segment and the terminal point of this segment is the starting point of the following
segment.
To establish a reference to the absolute position of the drive a starting segment must be
defined. This is segment 2 in
ZFig. 217–. Additionally the position of the master axis and
of the drive must be specified at the starting point of segment 2. This is done by the pa-
rameters Z122.7– to Z122.11–.
The entire curve is created by ProCam and is transferred as a file to the controller.
The structure of the operation mode coupled operation is described in ZFig. 218–. Basi-
cally the position of the master axis is transferred cyclical to the drive. The positioning set
value is calculated by the drive from the master axis position and the existing segments
of the polynomial curves. Thereby the available options of this operation mode are con
-
sidered. A gear factor is evaluated if required and overlaid by an additional movement be-
fore the position set value is transferred to the position controller.
Attribute Description
Curve segment number The unique number of this segment in the curve. 65536
segments can be created at the maximum whereby each
segment may exist once, only.
Type of curve Currently there is one curve type permitted – the polyno-
mial of 9
th
order. If polynomials of lower order are used the
coefficients that are not required must be set to 0.
Coefficients These are the coefficients which define the polynomial
function.
Traversing – master axis The distance of the master axis for which the curve seg-
ment is defined, e.g. 135°.
Traversing - drive The distance of the drive for which the curve segment is
defined, e.g. 1 revolution and 32°.
Predecessor segment Here is the segment number of the curve segment which
precedes from this curve segment.
Following segment Here is the segment number of the curve segment which
follows this curve segment.
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