A - 61
  Appendices
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
A-8  NX Objects
A
A-8-4  Objects That Accept I/O Allocations
These objects accept I/O allocations.
Refer to Allocatable I/O Data in an EtherNet/IP Coupler Unit on page 9-13 under 9-2-3 I/O Allocation 
Information on page 9-12 for details on the data for objects that allow I/O allocations.
 
• Subindexes 01 to 03 hex tell whether the NX Unit is registered in the Unit configuration information.
 
• Subindexes 01 to 03 tell whether the message communications are enabled in the NX Units.
A-8-4 Objects That Accept I/O Allocations
Index
(hex)
Subin-
dex
(hex)
Object name Default Data range Unit Data type Access
I/O 
allo-
cat-
ion
Data 
attri-
bute
2003 --- NX Unit Registration 
Status
--- --- --- --- --- --- ---
00 Number of Entries 3 3 --- USINT RO Not 
pos-
sible.
---
01 NX Unit Registration 
Status 15
FALSE FALSE or 
TRUE
--- ARRAY
[0..15] OF 
BOOL
RO Pos-
sible.
---
02 NX Unit Registration 
Status 31
FALSE FALSE or 
TRUE
--- ARRAY
[0..31] OF 
BOOL
RO Pos-
sible.
---
03 NX Unit Registration 
Status 63
FALSE FALSE or 
TRUE
--- ARRAY
[0..63] OF 
BOOL
RO Pos-
sible.
---
Index
(hex)
Subin-
dex
(hex)
Object name Default Data range Unit Data type Access
I/O 
allo-
cat-
ion
Data 
attri-
bute
2004 --- NX Unit Message 
Enabled Status
--- --- --- --- --- --- ---
00 Number of Entries 3 3 --- USINT RO Not 
pos-
sible.
---
01 NX Unit Message 
Enabled Status 15
FALSE FALSE or 
TRUE
--- ARRAY
[0..15] OF 
BOOL
RO Pos-
sible.
---
02 NX Unit Message 
Enabled Status 31
FALSE FALSE or 
TRUE
--- ARRAY
[0..31] OF 
BOOL
RO Pos-
sible.
---
03 NX Unit Message 
Enabled Status 63
FALSE FALSE or 
TRUE
--- ARRAY
[0..63] OF 
BOOL
RO Pos-
sible.
---