Determine the Number of Packets Lost

The following procedure shows how to program an MSG instruction to determine the number of packets lost during the last 24 hours on a front Ethernet port.
  1. In the program for the redundant controller, create an MSG instruction.
  2. On the Communication tab of the Message Configuration dialog box, configure a path of THIS to the controller.
  3. On the Configuration tab of the Message Configuration dialog box, enter the following parameters.
    Parameter
    Value
    Message Type
    CIP Generic
    Service Type
    Get Attribute Single
    Class
    56 (hex)
    Instance
    1
    Attribute
    66 (hex)
    Destination Element
    The tag that is an array or UDT of two UDINTs: first for port 1 and second for port 2.
  4. Download and test the MSG instruction.
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