A-9
Appendices
NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (W505)
A-2 Monitoring Packets
A
You can start and stop packet monitoring either with instructions in the user program or with operations
on the Sysmac Studio.
Using Instructions in the User Program
• EC_StartMon (Start EtherCAT Packet Monitor) instruction: Starts the execution of packet monitor-
ing and continues to update a fixed number of packets.
• EC_StopMon (Stop EtherCAT Packet Monitor) instruction: Stops the execution of packet monitor-
ing.
Operation from the Sysmac Studio
1
Start the Sysmac Studio and go online with the Controller.
2
Double-click EtherCAT under Configurations and Setups in the Multiview Explorer. Or, right-
click EtherCAT under Configurations and Setups and select Edit.
3
Right-click in the EtherCAT Network Configuration Tab Page and select Display Packet Moni-
tor from the menu.
The Packet Monitor Dialog Box is displayed.
Starting and Stopping Packet Monitor