Programming manual
CNC 8070
STATEMENTS AND INSTRUCTIONS
Programming statements
15.
(SOFT V02.0X)
427
15.1.6 Electronic axis slaving
Two axes may be slaved to each other so the movement of one of them
(slave) depends on the movement of the other one (master).
It is possible to have several axis couplings (slaving) at the same time.
Axis coupling is activated with the #LINK instruction and canceled
with the #UNLINK instruction. When reaching the end of program with
a coupled pair of axes, this slaving is canceled after executing an M02
or M30.
Considerations about axis coupling
Although the #LINK instruction admits several sets (pairs) of axes, the
following limitations must be taken into account:
• The main axes (the first three axes of the channel) cannot be
slaves.
• Both axes of the master-slave pair must be of the same type (linear
or rotary).
• The master axis of a pair cannot be the slave of another pair.
• An axis cannot be slaved to more than one master axis.
Likewise, a new slaving (coupling) cannot be activated without
deactivating the pairs previously slaved.
#LINK Activate the electronic coupling (slaving) of axes
This instruction defines and activates the electronic coupling of axes.
Several couplings may be activated at the same time. When executing
this instruction, all the axes defined as slaves depend on their relevant
masters. On these slave axes, no movement may be programmed
while they stay coupled.
This instruction may also be used to define the maximum following
error difference allowed between the master axis and its slave.
The programming format is:
#LINK [<master>,<slave>,<error>][...]
Programming the amount of error is optional; if not programmed, this
test is not carried out. The maximum error will be defined in millimeters
or inches for linear axes and in degrees for rotary axes.
Parameter Meaning
<master> Master axis.
<slave> Slave axis.
<error> Optional. Maximum difference allowed between the
following errors of both axes.
#LINK [X,U][Y,V,0.5]
#LINK [X,U,0.5][Z,W]
#LINK [X,U][Y,V][Z,W]
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