7.8.2 SYNC telegram, generation
If synchronous PDO's have been created on the system bus, the master must send
the SYNC telegram cyclically. If a frequency inverter has been defined as a system
bus master, the latter must generate the SYNC telegram. The interval for the SYNC
telegram of a frequency inverter defined as the system bus master is adjustable. The
SYNC telegram is a telegram without data.
The default identifier = 128 according to the Predefined Connection Set.
If a PC or PLC is used as a master, the identifier of the SYNC telegrams can be
adapted by parameterization on the frequency inverter.
The identifier of the SYNC telegram must be set identically in all clients on the system
bus.
The setting of the identifier of the SYNC telegram is done via parameter
Identifier
No.
918 SYNC identifier
The setting "0" results in identifier assignment according to the Predefined Connec-
tion Set.
Atten-
tion:
The temporal cycle for the SYNCH telegram is set on a frequency inverter defined as
the system bus master via parameter
Note:
03/12
918.
Parameters
Description
The identifier range 129...191 may not be used as the emergency tele-
grams can be found there.
A setting of 0 ms for the parameter
telegram".
EM-ABS-01 for ACU
Settings
Min.
0
919.
SYNC-Time
SYNC-Time
SYNC-
Max.
Factory
setting
2047
0
919 means "no SYNC
51
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