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General' tab (EtherCAT Master/Slave Online Functions)

Select the desired node in the tree on the left and click the 'General' tab on top of the editor on the right.

The tab is divided into several sections. Note that some are only available for the master or for slaves.

'State Machine' section

The section is available for the EtherCAT master and each slave.

ElementDescription
Current stateDisplays the currents state of the node.
Requested stateDisplays the requested state of the node.
Change stateButtons with which a state change can be requested.

Further Info
Refer to the topic "EtherCAT State Machine" for details.

'Information' section (EtherCAT master only)

The information in this tab section is read-only.

ElementDescription
Number of found slavesNumber of slave stations the master found at the bus.
Number of slaves in configurationNumber of slave stations configured in the ENI (EtherCAT Network Information) file.

ENI file - background information
Change stateButtons with which a state change can be requested.
Number of DC slavesNumber of slave stations which support the Distributed Clocks functionality (DC).
DC in-syncOnly applicable if distributed clocks is configured: Information about the synchronization status of the system.
  • 'Yes': all slaves with DC support are correctly synchronized.
  • 'No': at least one slave with DC support is not synchronized correctly.
Topology OKIndicates whether the detected topology is "okay" or not.

Note
Optional slaves stations are not considered here. A slave becomes optional by adding it to a HotConnect group (to be done in the master settings). Slaves which do not belong to an HC group are mandatory and are considered here.
  • 'Yes': the number of slaves configured in the ENI file matches the number of found slave stations.
  • 'No': a mismatch between the configured bus and the currently connected bus has been detected. To analyze the configuration, match it and fix the problem, the Network Mismatch Analyzer is available in a separate tab.
Link connected
  • 'Yes': all configured slaves are physically connected via Ethernet cable.
  • 'No': for at least one slave, the Ethernet cable is not connected properly.
Slaves in master state
  • 'Yes': all slaves are in the same state as the master.
  • 'No': at least one slave is in a different state as the master.

    The LED-like icon in the tree on the left shows by its color which slave/s is/are affected. You can open the 'Extended Diagnostics' tab of an affected slave to analyze and solve the problem.

'Frame Counters' section (EtherCAT master only)

ElementDescription
Sent framesNumber of sent frames since the last power cycle.
Lost framesNumber of lost frames since the last power cycle.
Cyclic framesNumber of cyclic frames since the last power cycle.
Acyclic framesNumber of acyclic frames since the last power cycle.

'Error State' section (slave stations only)

If an error has occurred during a state transition, it is shown in the field 'Current'.

You can open the 'Extended Diagnostics' tab of the slave to analyze and solve the problem.

 


This help information is valid for iCube Engineer Online Help 2025.6

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