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Ethernet Link Object
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(Original Document)
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Ethernet Link Object
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(Original Document)
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Attribute ID
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Description
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GET
|
SET
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|---|---|---|---|
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01
|
Revision
|
X
|
—
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02
|
Max Instance
|
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
|
SET
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Value
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|
|---|---|---|---|---|---|---|
|
hex
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dec
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|||||
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01
|
01
|
Interface Speed
|
UDINT
|
X
|
—
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Valid values include:
0, 10000000, 100000000
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02
|
02
|
Interface Flags
|
DWORD
|
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 detected error
0 = no event
1 = event detected
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03
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03
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Physical Address
|
ARRAY of 6 USINT
|
X
|
—
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module MAC address
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04
|
04
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Interface Counters
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STRUCT
|
X
|
—
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In octets
|
UDINT
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octets received on the interface
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||||
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In Ucast Packets
|
UDINT
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unicast packets received on the interface
|
||||
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In NUcast Packets
|
UDINT
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non-unicast packets received on the interface
|
||||
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In Discards
|
UDINT
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inbound packets received on the interface, but discarded
|
||||
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In Errors
|
UDINT
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inbound packets with detected errors (does not include in discards)
|
||||
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In Unknown Protos
|
UDINT
|
inbound packets with unknown protocol
|
||||
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Out Octets
|
UDINT
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octets sent on the interface
|
||||
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Out Ucast Packets
|
UDINT
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unicast packets sent on the interface
|
||||
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Out NUcast Packets
|
UDINT
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non-unicast packets sent on the interface
|
||||
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Out Discards
|
UDINT
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outbound packets discarded
|
||||
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Out Errors
|
UDINT
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outbound packets with detected errors
|
||||
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05
|
05
|
Media Counters
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STRUCT
|
X
|
—
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Alignment Errors
|
UDINT
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frames that are not an integral number of octets in length
|
||||
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FCS Errors
|
UDINT
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bad CRC — frames received do not pass the FCS check
|
||||
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Single Collisions
|
UDINT
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successfully transmitted frames that experienced exactly 1 collision
|
||||
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Multiple Collisions
|
UDINT
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successfully transmitted frames that experienced more than 1 collision
|
||||
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SQE Test Errors
|
UDINT
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number of times the detected SQE test error is generated
|
||||
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Deferred Transmissions
|
UDINT
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frames for which first transmission attempt is delayed because the medium is busy
|
||||
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Late Collisions
|
UDINT
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number of times a collision is detected later than 512 bit times into the transmission of a packet
|
||||
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Excessive Collisions
|
UDINT
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frames that do not transmit due to excessive collisions
|
||||
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MAC Transmit Errors
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UDINT
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frames that do not transmit due to a detected internal MAC sublayer transmit 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
|
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 not received on an interface due to a detected internal MAC sublayer receive error
|
||||
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06
|
06
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Interface Control
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STRUCT
|
X
|
X
|
API of the connection
|
|
Control Bits
|
WORD
|
Bit 0: Auto-negotiation
0 = disabled
1 = enabled
Note: When auto-negotiation is enabled, 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
|
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
|
16
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Interface Label
|
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.
|
|
X = supported
— = not supported
|
||||||
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Service ID
|
Description
|
Class
|
Instance
|
|
|---|---|---|---|---|
|
hex
|
dec
|
|||
|
01
|
01
|
Get_Attributes_All
|
X
|
X
|
|
10
|
16
|
Set_Attribute_Single
|
—
|
X
|
|
0E
|
14
|
Get_Attribute_Single
|
X
|
X
|
|
4C
|
76
|
Get_and_Clear
|
—
|
X
|
|
X = supported
— = not supported
|
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