Rockwell Automation Publication 1756-UM021A-EN-P - September 2023 23
Chapter 2 Configure the Module with Studio 5000 Logix Designer
In Port Diagnostics, view the diagnostics information as needed.
Parameter Description
Interface Counters
Values only appear when the device is online.
• Octets Inbound: Number of octets received on the interface.
• Octets Outbound: Number of octets transmitted on the interface.
• Unicast Packets Inbound: Number of unicast packets received on the interface.
• Unicast Packets Outbound: Number of unicast packets transmitted on the interface.
• Non-unicast Packets Inbound: Number of non-unicast packets received on the interface.
• Non-unicast Packets Outbound: Number of non-unicast packets transmitted on the
interface.
• Packets Discarded Inbound: Number of inbound packets that are received on the
interface but discarded.
• Packets Discarded Outbound: Number of outbound packets that are transmitted on the
interface but discarded.
• Packets With Errors Inbound: Number of inbound packets that contain errors (excludes
discarded inbound packets).
• Packets With Errors Outbound: Number of outbound packets that contain errors
(excludes discarded outbound packets).
• Unknown Protocol Packets Inbound: Number of inbound packets with unknown protocol.
Media Counters
Values only appear when the device is online.
• Alignment Errors: Number of frames received that are not an integral number of octets in
length.
• FCS Errors: Number of frames received that do not pass the FCS check.
• Single Collisions: Number of successfully transmitted frames that experienced exactly
one collision.
• Multiple Collisions: Number of successfully transmitted frames that experienced multiple
collisions.
• SQE Test Errors: Number of times an SQE test error message was generated.
• Deferred Transmissions: Number of frames for which the first transmission attempt is
delayed because the medium is busy.
• Late Collisions: Number of times a collision is detected later than 512 bit-times into the
transmission of a packet.
• Excessive Collisions: Number of frames for which transmission fails due to excessive
collisions.
• MAC Transmit Errors: Number of frames for which transmission fails due to an internal
MAC sub layer transmit error.
• MAC Receive Errors: Number of frames for which reception on an interface fails due to an
internal MAC sub layer receive error.
• Carrier Sense: Number of times that the carrier sense condition was lost or never
asserted when attempting to transmit a frame.
• Frame Too Long: Number of frames received that exceed the maximum permitted frame
size.
Reset Counters
Sets the interface and media counter values on the device to zero and updates the values
that are displayed in the dialog box with the current counter values.
Reset Counters is only enabled when the device is online.
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