Activating An Eg Axis Group - Siemens SINUMERIK 840D sl Function Manual

Preconditions for defining an EG axis group:
No existing axis coupling may already be defined for the following axis. (If necessary, an
existing axis must be deleted with EGDEL.)
EGDEF triggers preprocessing stop with alarm.
For an example of how to use the EG gearbox for gear hobbing, please see Chapter
"Examples", "Electronic Gearbox for Gear Hobbing".
EGDEF
The gearbox definition with EGDEF should also be used unaltered when one or more leading
axes affect the following axis via a curve table.
The variant extended with the addition of non-linear coupling via curve tables is illustrated in
an extended example in Chapter "Extended Example with non-linear Components".
5.4.4

Activating an EG axis group

Without synchronization
The EG axis group is activated without synchronization selection with:
EGON(FA, block change mode, LA1, Z1, N1, LA2 , Z2, N2,..LA5, Z5, N5.)
The coupling is activated immediately.
With:
FA: Following axis
Depending on block change mode, the next block will be activated:
"NOC": Block change takes place immediately
"FINE": Block change is performed in "Fine synchronism"
"COARSE": Block change is performed in "Coarse synchronism"
"IPOSTOP": Block change is performed for setpoint-based synchronism
LA : Axis identifier of the leading axis i
i
Z : Counter for coupling factor of leading axis i
i
N : Denominator for coupling factor of leading axis i
i
Only the leading axes previously specified with the EGDEF command may be programmed in
the activation line. At least one leading axis must be programmed.
The positions of the leading axes and following axis at the instant the grouping is switched on
are stored as "Synchronized positions". The "Synchronized positions" can be read with the
system variable $AA_EG_SYN.
Special Functions
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
M3: Coupled axes
5.4 Electronic gearbox (EG)
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