Appendices
A - 26
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
The instance attribute IDs are given in the following table.
 
 Values of Capability Bits
 
Attribute IDs
Attribute ID 
(hex)
Parameter name Description Attribute Data type Value (hex)
01 Interface Speed Interface communi-
cations speed
Read UDINT 00000064 (fixed)
02 Interface Flags Interface status Read DWORD 0000000F (fixed)
03 Physical Address Interface MAC 
address
Read ARRAY OF 
USINT
*1
*1. The array size is 6.
MAC address
0B Interface Capability Interface communi-
cations perfor-
mance
Read STRUCT ---
Capability Bits Communications 
performance set-
ting
DWORD See below.
Speed/Duplex 
Options
Communications 
speed/bidirectional 
options
STRUCT ---
Speed/Duplex 
Array Count
Communications 
speed/bidirectional 
array size
USINT 01
Speed/Duplex 
Array
Communications 
speed/bidirectional 
array
ARRAY 
OF 
STRUCT
---
Interface Speed Interface communi-
cations speed
UINT 0064 (fixed)
Interface 
Duplex Mode
Interface bidirec-
tional mode
USINT 01: Full duplex 
(fixed)
Bit Name Value
0 Manual Setting Requirement Reset Always FALSE.
1 Auto-negotiate Always TRUE.
2 Auto-MDIX Always TRUE.
3 Manual Speed/Duplex Always FALSE.
4 to 31 Reserved Always FALSE.