Keywords And Coupling Characteristics - Siemens SINUMERIK 840D Function Manual

The independent motion component of the following axis can be programmed with the full
range of available motion commands.
14.5.2.2

Keywords and coupling characteristics

Keywords
Programming is done via language commands, e.g. coupled motion with TRAILON(X,Y,2).
Keywords replace the language commands in generic coupling.
This has the following advantages:
● Coupling characteristics can be programmed individually (see following example).
● Programming of multiple couplings can be done in one block (since keywords do not require
their own block).
Advantage: Reduction of work off time
Example:
The properties set with the existing coupling call TRAILON(X,Y,2)(following axis, leading
axis and coupling factor) are defined in the generic coupling with the following keywords:
CPON=(X1) CPLA[X1]=(X2) CPLNUM[X1,X2]=2
CPON=(X1)
CPLA[X1]=(X2)
CPLNUM[X1,X2]=2
Notation
In order to be uniquely assigned, keywords are furnished with the prefix "CP", for Coupling).
Depending on meaning and application position, a third letter is used:
Keyword prefix
CP*
CPF*
CPL*
CPM*
For keyword meaning, please refer to the following table "Overview of all keywords and coupling
1)
characteristics".
Axes and spindles
Function Manual, 06/2019, A5E47437747B AA
Switch on coupling to following axis X1.
Define axis X2 as leading axis.
Set numerator of the coupling factor to 2.
Meaning
Describes the characteristics of the entire coupling.
Describes the characteristics of the following axis (Fol‐
lowing axis).
Describes a property referring to the leading axis (Lead‐
ing axis) or the coupling rule.
Describes a property of the entire coupling for special
states.
M3: Coupled axes
14.5 Generic coupling
Example
CPON
1)
CPFPOS
1)
CPLON ,
1)
CPLNUM
1)
CPMRESET
1)
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