13
Additional Functions 12.98
13.4 EG: Electronic
ear
SW 5 and hi
her
13
840D
NCU 571
840D
NCU 572
NCU 573
FM-NC 810D 840Di
ï›™
Siemens AG 2000. All rights reserved
13-444
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
Explanation
FA
Following axis:
Block change mode
The following modes can be used:
"NOC" Immediate block change
"FINE" Block change occurs at
"Synchronization fine"
"COARSE" Block change occurs at
"Synchronization coarse"
"IPOSTOP" Block change occurs at
setpoint
synchronization run
[, LAi, SynPosLAi, Zi, Ni]
(do not write the square brackets)
min. 1, max. 5 sequences of:
LA1, ... LA5
Leading axes
SynPosLAi
Synchronized position for i-th leading axis
Z1, ... Z5
Counter for coupling factor i
N1, ... N5
Denominator for coupling factor i
Coupling factor i = Counter i / Denominator i
It is only permissible to program leading axes that
have previously been specified with EGDEF.
Via the programmed "synchronized positions" for the
following axis (SynPosFA) and for the leading axes
(SynPosLA), positions are defined in which the
coupling group is valid as synchronized. If the
electronic gear is not in synchronized state when it is
activated, the following axis will traverse to its
defined synchronized position.
If modulo axes are contained in the coupling group,
their position values are modulus-reduced. This
ensures that the next possible synchronized position
is approached (so-called
relative synchronization
:
e.g. the next tooth gap). The synchronized position is
only approached if "Enable following axis override"
interface signal DB(30 + axis number), DBB26 bit 4
is issued for the following axis. If it is not issued, the
program stops at the EGONSYN block and self-
clearing alarm 16771 is output until the above
mentioned signal is set.
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