Appendix
Communication with MotionBus/system bus (CAN)
Process data transfer
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EDBCSXM064 EN 11.0
12.3.3.4 Cyclic process data objects
X4
X14
X4
X14
X4
X14
X1 X1
X4
X14
X1 X1
PLC
Rx-PDO1
Tx-PDO1
ECSxS/P/M/A...
ECSXA218
Fig. 12−6 Example: Cyclic process data transfer from/to master (PLC)
For the quick exchange of process data from or to the master respectively one process data
object for input signals (Rx−PDO1) and one process data object for output signals
(Tx−PDO18 ), each with 8 bytes of user data, is provided.