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7 ELG-Specific Signals (DB 29)
7.3 Signals to ELG (DB 29)
SYNCHRONIZATION OFF
0/1 transition:
The enable for synchronization between the following and leading axes is
cancelled. The SYNCHRONIZATION ENABLED interface signal and
SYNCHRONIZATION ON setting data bit are reset when the NC has disabled
synchronization.
1/0 transition:
The PLC user program must reset the SYNCHRONIZATION OFF signal if
SYNCHRONIZATION ENABLED has been cancelled by the NC.
Note:
Synchronization between the following and leading axes can also be switched with the
SYNCHRONIZATION ON setting data bit.
LINK OFF
0/1 transition:
The link between the following axis and its leading axes is switched off. The
NC cancels the LINK ACTIVE signal and the LINK ON setting data bit as
soon as the link is switched off. The following axis then behaves like a
normal NC axis again and can be operated as such.
1/0 transition:
The PLC user program resets the signal to 0 when the link is cancelled (LINK
ACTIVE = 0).
Notes:
•
The gearbox link can also be switched with the LINK ON setting data bit.
•
If the signal SYNCHRONIZATION ENABLED is set, the following axis moves to the
position given in the setting data.
FA 1: m=0
–
7
22
FA 2: m=4
©
Siemens AG 1991 All Rights Reserved
01.93
DW m + 2, bit 1
DW m + 2, bit 0
FA 3: m=8
6ZB5 410-0HE02
SINUMERIK 880 (PJ)
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