Pro II: Extension and Interface Modules
Pro II-EtherCAT-SL Rev. E
ADwin
194
ADwin-Pro II
Hardware, manual Dec. 2018
Initialization must be run with low priority since it takes some seconds; if it were a pro-
cess with high priority, the PC interrupts the communication after a time (time-out). For
the same reason, reading and writing data should be run with low priority.
Specifications
The fieldbus node is in agreement with the international standard IEC 61158 and IEC
61784-2. More information is provided by the EtherCAT user organization:
EtherCAT Technology Group
Ostendstraße 196
D-90482 Nürnberg
Tel.: +49 9115405620
Fax : +49 9115405629
http://www.ethercat.org/
Operating modes of
EtherCAT node
The following table shows the operating modes, the EtherCAT node supports and its
behavior:
Fig. 163 – EtherCAT: Operating modes
O p e r a t i n g
mode
Behavior
Init
The EtherCAT slave is being initialized by the bus master.
PreOp
The interface is part of the data exchange, inputs and outputs are not
active.
SafeOp
The interface can receive data, outputs are not active.
Op
The interface is completely ready; inputs and outputs are active.
