Tangential Control; Defining Coupling (Tang) - Siemens SINUMERIK 840D sl Programming Manual

Work preparation
3.16 Axis couplings
Keyword Coupling characteristics / mean‐
ing
Response of the following axis
CPMBRAKE
to certain stop signals and stop
commands
Response of the following axis
CPMVDI
to certain NC/PLC interface sig‐
nals
Suppression of special cou‐
CPMALARM
pling-related alarm outputs
Coupling type
CPSETTYPE
FAx: Following axis/spindle
LAx: Leading axis/spindle
Note
Coupling characteristics, which are not explicitly programmed (in part program of synchronized
actions), become effective with their default settings.
Depending on the settings of the keyword CPSETTYPE instead of the default settings
(CPSETTYPE="CP") preset coupling characteristics can become effective.
Further information
For detailed information on generic couplings, see:
● Function Manual Axes and Spindles
3.16.7

Tangential control

3.16.7.1

Defining coupling (TANG)

Via the predefined procedure TANG(...), a tangential coupling between a rotary axis is defined
as the following axis and two geometry axes as the leading axes. The following axis is
continuously aligned with the path tangent of the leading axes.
940
Syntax
CPMBRAKE[FAx]=<bit-coded value>
CPMVDI[FAx]=<bit-coded value>
CPMALARM[FAx]=<bit-coded value>
CPSETTYPE[FAx]="<coupling type>"
"<coupling type>":
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Freely programmable
"CP"
Coupling type "Coupled
"TRAIL"
motion"
Coupling type "Master Val‐
"LEAD"
ue Coupling"
Coupling type "Electronic
"EG"
gearbox"
Coupling type "Synchron‐
"COUP"
ized spindle"
NC programming