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EL6601, EL6614 | EtherCAT Terminals, communication interface, Ethernet switch port · 0 次阅读

Notes

  • The RT statistics displays are not supported under TwinCAT for an EL66xx-RT device.
    Solution: As an alternative, corresponding CoE parameters can be read for diagnostic purposes.
  • The publisher features of "OnChangeOnly" and "DataExchange (divider/modulo)" are not supported together with the EL66xx.
    Solution: [from FW08] Transmitting the configured publisher variables can be cyclically suppressed by DevCtrl.
  • If a publisher is set up on an EL66xx, the publisher's CycleIndex must be taken care of by the user. On a PC, on the other hand, they are incremented by TwinCAT.
  • The following is recommended for diagnosis of a network variable connection:
    1. Monitor the link status in the "DevState" of the RT device (Device --> Inputs --> DevState). The expected state is DevState = 0.
    2. Monitor the Quality and CycleIndex in the subscriber.
  • The link LED in the EL66xx only indicates the status of the cable connection, not that of any network variable connection that may exist.
  • If the EL66xx is used exclusively to transfer network variables, ConnectToTcpStack should be deactivated.
  • A maximum of 32 for each, publishers and subscriber, are permitted per EL66xx.