Cnc programming – Lenze ETC Motion Control User Manual

Page 153

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CNC programming

G functions

G functions individual descriptions

3

3.2

3.2.2

l

153

EDSTCXN EN 2.0

3.2.2.64

G162 Define axis group

Switches the forced coupling of two axes "on" or "off".

G162 LAX FAX

LAX

Code letter of the master axis, the programmed value must be 0

FAX

Code letter of the slave axis and coupling factor

0: Define axis group with the specified coupling factor

0: Delete axis group

G162 is used to define an axis group. This function makes it possible to
couple one or several slave axes by software via a user−definable factor to a
master axis.

The corrected set position of the slave axis P

F

’ is calculated via the following

formula: PF’ = PF + m V PL − b

P

F

= set position of the slave axis

P

L

= set position of the master axis

m = coupling factor for G162
b = start offset when switching G162 on

The start offset is calculated such that when the G162 is switched on it does
not result in the slave axis moving: b = m

V P

L.

If several slave axes should be coupled to a master axis or vice versa, G162
must be programmed once for every axis pair to be defined. The resulting
total desired position including all the transformations (also G162) and
coordinate system offsets (S0+Sn+Tn) is stored from P944 for all axes in the
parameter field.

If no axis is programmed, all the axis couplings which were activated with
G162 are deactivated.

)

Note!

The function does not limit the speed of the slave axis and the
actual value difference between the master axis and the slave
axis is not monitored. If necessary, a corresponding monitoring
must be carried out in the PLC (see example).

If the feed enables of the slave axes exist, these axes can also be traversed
when the coupling is switched on independent of the master axis. This can
be helpful when setting up the machine, for example.

Syntax

Meaning of the addresses

Explanation

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