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Environment Setting Section > Methods for Connecting and Communicating with External Devices > Control/Output through EtherNet/IP > Communication Processing Flow (EtherNet/IP)Communication Processing Flow (EtherNet/IP)
Communication between the external device and FZ3 is performed using the 3 areas indicated below: the Command area, Response area, and Data area.
The Command area is used when control commands are sent from the PLC to the FZ3. The FZ3 can be controlled by writing commands to the Command area.
In the Response area, the execution results of control commands described in the Command area are written. The output data accompanying measurement is written to the Data Output area.
The Command area is used when control commands are sent from the PLC to the FZ3. The FZ3 can be controlled by writing commands to the Command area.
In the Response area, the execution results of control commands described in the Command area are written. The output data accompanying measurement is written to the Data Output area.
Important
- The signal timing is equivalent to the standard parallel I/O where command execution and data output are executed independently.
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