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Ethernet Link Object
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Original instructions
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Ethernet Link Object
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Original instructions
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Attribute ID
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Description
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GET
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SET
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|---|---|---|---|
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01
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Revision
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X
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—
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02
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Max Instance
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X
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—
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03
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Number of Instances
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X
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—
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X = supported
— = not supported
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Attribute ID
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Description
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Type
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GET
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SET
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Value
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|---|---|---|---|---|---|---|
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hex
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dec
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|||||
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01
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01
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Interface Speed
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UDINT
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X
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—
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Valid values include:
0, 10000000, 100000000
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02
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02
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Interface Flags
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DWORD
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X
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—
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Bit 0: Link Status
0 = Inactive
1 = Active
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Bit 1: Duplex Mode
0 = half duplex
1 = full duplex
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Bits 2—4: Negotiation Status
3 = successfully negotiated speed and duplex
4 = forced speed and link
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Bit 5: Manual Setting Requires Reset
0 = automatic
1 = device need reset
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Bit 6: Local Hardware Fault detected
0 = no event
1 = event detected
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03
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03
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Physical Address
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ARRAY of 6 USINT
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X
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—
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Module MAC Address
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04
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04
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Interface Counters
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STRUCT
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X
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—
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In octets
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UDINT
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Octets received on the interface
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||||
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In Ucast Packets
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UDINT
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Unicast packets received on the interface
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In NUcast Packets
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UDINT
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Non-unicast packets received on the interface
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In Discards
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UDINT
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Inbound packets received on the interface, but discarded
|
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In Errors
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UDINT
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Inbound packets that contain detected errors (does not include In Discards)
|
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In Unknown Protos
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UDINT
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Inbound packets with unknown protocol
|
||||
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Out Octets
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UDINT
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Octets sent on the interface
|
||||
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Out Ucast Packets
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UDINT
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Unicast packets sent on the interface
|
||||
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Out NUcast Packets
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UDINT
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Non-unicast packets sent on the interface
|
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Out Discards
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UDINT
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Outbound packets discarded
|
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Out Errors
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UDINT
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Outbound packets that contain detected errors
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05
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05
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Media Counters
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STRUCT
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X
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—
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Alignment Errors
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UDINT
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Frames that are not an integral number of octets in length
|
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FCS Errors
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UDINT
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CRC error detected—Frames received with a dtected FCS checksum error
|
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Single Collisions
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UDINT
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Successfully transmitted frames that experienced exactly one collision
|
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Multiple Collisions
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UDINT
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Successfully transmitted frames that experienced more than one collision
|
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SQE Test Errors
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UDINT
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Number of times the SQE test error is detected
|
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Deferred Transmissions
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UDINT
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Frames for which first transmission attempt is delayed because the medium is busy
|
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Late Collisions
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UDINT
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Number of times a collision is detected later than 512 bittimes into the transmission of a packet
|
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Excessive Collisions
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UDINT
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Frames for which transmission is not successful due to excessive collisions
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MAC Transmit Errors
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UDINT
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Frames for which transmission is not successful due to internal MAC sublayer transmit detected error
|
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Carrier Sense Errors
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UDINT
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Times that the carrier sense condition was lost or not asserted when attempting to transmit a frame
|
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Frame Too Long
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UDINT
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Frames received that exceed the maximum permitted frame size
|
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MAC Receive Errors
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UDINT
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Frames for which reception on an interface is not successful due to an internal MAC sublayer receive detected error
|
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06
|
06
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Interface Control
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STRUCT
|
X
|
X
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API of the connection
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Control Bits
|
WORD
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Bit 0: Auto-negotiation
0 = Disabled
1 = Enabled
Note: When auto-negotiation is enabled, the detected error 0x0C (Object State Conflict) is returned when attempting to set either:
|
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Bit 1: Forced Duplex Mode (if auto-negotiation bit = 0)
0 = half duplex
1 = full duplex
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Forced Interface Speed
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UINT
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Valid values include:
10000000, 100000000
Note: Attempting to set any other value returns the detected error 0x09 (Invalid Attribute Value)
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10
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16
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Interface Label
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SHORT_STRING
|
X
|
—
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A fixed textual string identifying the interface, that should include ‘internal’ for internal interfaces. Maximum number of characters is 64.
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X = supported
— = not supported
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||||||
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Service ID
|
Description
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Class
|
Instance
|
|
|---|---|---|---|---|
|
hex
|
dec
|
|||
|
01
|
01
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Get_Attributes_All
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X
|
X
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10
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16
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Set_Attribute_Single
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—
|
X
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0E
|
14
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Get_Attribute_Single
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X
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X
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4C
|
76
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Get_and_Clear
|
—
|
X
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X = supported
— = not supported
|
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