System Variables For Electronic Gearbox - Siemens SINUMERIK 840D sl Function Manual

M3: Coupled axes
5.4 Electronic gearbox (EG)
5.4.9

System variables for electronic gearbox

Application
The following system variables can be used in the parts program to scan the current states of
an EG axis group and to initiate appropriate reactions if necessary:
Table 5-1 System variables, R means: Read access possible
name Type
$AA_EG_ INT
TYPE[a,b]
(ab SW 5.2)
$AA_EG_ REAL
NUMERA[a,b]
(from SW 5.2)
------
(SW 6 and
higher)
$AA_EG_ REAL
DENOM[a,b]
(from SW 5.2)
-----
(SW 6 and
higher)
$AA_EG_ REAL
SYN[a,b]
(from SW 5.2)
$AA_EG_ REAL
SYNFA[a]
(from SW 5.2)
266
Preprocessing
Access
stop
Parts Parts
Sync
progra progra
act.
m m
R R
R R
R R
R R
R R
Meaning, value
Sync
act.
Type of coupling:
0: actual value
1: Setpoint value coupling
Numerator of coupl. factor
KF
KF = numerator/
denominator
preset: 0
----
Number of curve table
when
$AA_EG_DENOM[a,b] is 0.
Denominator of coupl. fact.
KF
KF = numerator/
denominator
preset: 1
Denominator must be
positive.
----
Denominator is 0, if instead
of the numerator
$AA_EG_NUMERA[a,b]
the number of a curve table
is specified.
Synchronized position for
specified leading axis
Default: 0
Synchronized position for
specified following axis
Default: 0
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
Cond. Index
Axis identifier
a: Following axis
b: Leading axis
Axis identifier
a: Following axis
b: Leading axis
Axis identifier
a: Following axis
b: Leading axis
Axis identifier
a: Following axis
b: Leading axis
Axis identifier
a: Following axis
Special Functions