<n>: Curve table number
$SA_LEAD_TYPE: Switching between setpoint and actual value coupling
Deactivate master value coupling, LEADOF
When you deactivate the master value coupling, the following axis becomes a normal
command axis again!
Axial master value coupling and different operating states, RESET
Depending on the setting in the machine data, the master value couplings are deactivated with
RESET.
Example of master value coupling from synchronous action
In a pressing plant, an ordinary mechanical coupling between a leading axis (stanchion shaft)
and axis of a transfer system comprising transfer axes and auxiliary axes is to be replaced by
an electronic coupling system.
It demonstrates how a mechanical transfer system is replaced by an electronic transfer system.
The coupling and decoupling processes are implemented as static synchronized actions.
From the leading axis LV (stanchion shaft), transfer axes and auxiliary axes are controlled as
following axes that are defined via curve tables.
Following axes
X feed or longitudinal axis
YL closing or transverse axis
ZL lifting axis
U roll feed, auxiliary axis
V guide head, auxiliary axis
W greasing, auxiliary axis
Actions
The actions that occur include, for example, the following synchronized actions:
● Activate coupling, LEADON(<following axis>,<leading axis>,<curve table
number>)
● Deactivate coupling, LEADOF(<following axis>,<leading axis>)
● Set actual value, PRESETON(<axis>,<value>)
● Set marker, $AC_MARKER[i]=<value>
● Coupling type: real/virtual master value
● Approaching axis positions, POS[<axis>]=<value>
Conditions
Work preparation
3.16 Axis couplings
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 913
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