Vacon 100 - Page 31

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6
Instance Attribute “Physical Address”
The Ethernet Link Object has an instance attribute named “Physical Address” which has the Attri-
bute Identifier 03
h. The attribute reveals the MAC layer address of the physical interface. The attri-
bute is an array of 6 USINT values (total of 6 octets). The attribute is read-only.
Instance Attribute “Interface Counters”
The Ethernet Link Object has an instance attribute named “Interface Counters” which has the At-
tribute Identifier 04
h
. The attribute is a collection of counters related to the Ethernet physical inter-
face.
Table 17.
Bit(s) Name Definition
0 Link Status One, if link is active
1 Half/Full Duplex One, if full duplex
2-4 Negotiation Status
Value Definition
0 Auto-negotiation in progress
1 Auto-negotiation and speed detection failed. Using
default values for speed and duplex.
2 Auto-negotiation failed but detected speed. Duplex
was defaulted.
3 Successfully negotiated speed and duplex.
4 Auto-negotiation not attempted. Forced speed and
duplex.
5 Manual Setting
Requires Reset
0 indicates the interface can activate changes to link parame-
ters (auto-negotiate, duplex mode, interface speed) automati-
cally. 1 indicates the device requires a Reset service be issued
to its Identity Object in order for the changes to take effect.
6Local Hardware
Fault
0 indicates the interface detects no local hardware fault; 1 indi-
cates a local hardware fault is detected.
7-31 Reserved Always zero