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E6581741
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Instance 1 Attribute
Instance Attribute ID Access Name Data type Details
1 Get Interface Speed UDINT Interface speed currently in use
0 : indeterminate (Auto baudrate)
10: 10Mbps
100: 100Mbps
2 Get Interface Flags DWORD Bit 0 : Link Status Indicates whether or not the
Ethernet 802.3 communications
interface is connected to an active
network. 0 indicates an inactive link; 1
indicates an active link.
Bit 1 : Half/Full Duplex Indicates the duplex
mode currently in use. 0 indicates the
interface is running half duplex; 1
indicates full duplex.
Bit 2-4 : Negotiation Status
000 : Auto-negotiation in progress.
001 : Auto-negotiation and speed detection
failed.
010 : Auto negotiation failed but detected
speed. Duplex was defaulted.
011 : Successfully negotiated speed and
duplex.
100 : Auto-negotiation not attempted. Forced
speed and duplex.
101-111 : Unused
Bit 5 : Manual Setting Requires Reset. 0
indicates the interface can activate
changes to link parameters
(auto-negotiate, duplex mode, interface
speed) automatically. 1 indicates the
device requires a Reset service be
issued to its Identity Object in order for
the changes to take effect.
Bit 6: Local Hardware Fault.
0 indicates the interface detects no local
hardware fault
1 indicates a local hardware fault is
detected. The meaning of this is
product-specific.
Bit 7-31 :
(System reserved)
3 Get Physical Address ARRAY of
6 USINTs
MAC layer address
Interface Counters STRUCT
of
In Octets UDINT Octets received on the interface
In Ucast Packets UDINT Unicast packets received on the interface
In NUcast Packets UDINT Non-unicast packets received
In Discards UDINT Inbound packets received on the interface but
discarded
In Errors UDINT Inbound packets that contain errors (does not
include In Discards)
In Unknown Protos UDINT Inbound packets with unknown protocol
Out Octets UDINT Octets sent on the interface
Out Ucast Packets UDINT Unicast packets sent on the interface
Out NUcast Packets UDINT Non-unicast packets sent on the interface
Out Discards UDINT Outbound packets discarded
1
4 Get
Out Errors UDINT Outbound packets that contain errors
Note: Don’t use the “System reserved” bit and Bit0 for the judgement.