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3
CANopen access procedure
Festo – GDCP-CMMP-M3/-M0-C-CO-EN – 1510b – English
35
3.4
SYNC message
Several devices of a system can be synchronised with each other. To do this, one of the devices (usually
the higher-order controller) periodically sends out synchronisation messages. All connected controllers
receive these messages and use them for treatment of the PDOs (
80
h
0
Identifier
Data length
The identifier on which the motor controller receives the SYNC message is set permanently to 080
h
. The
identifier can be read via the object cob_id_sync.
Index
1005
h
Name
cob_id_sync
Object Code
VAR
Data Type
UINT32
Access
rw
PDO Mapping
no
Units
--
Value Range
80000080
h
, 00000080
h
Default Value
00000080
h