Lenze ECSCAxxx - Manual (Page 449)

Appendix
General information about the system bus (CAN)
Process data transfer
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449 EDBCSXA064 EN 3.2
14.7.3.4 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. 14−9 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.