Class Attribute ID
The class attribute ID specifies the attribute of the entire object.
Attrib-
ute ID
Parameter name Description
At-
trib-
ute
Read data
Data type Value
01 hex Revision Revision of the object Read UINT 0001 hex: Unit version 1.01 or
earlier
0002 hex: Unit version 1.02 to
1.09
0003 hex: Unit version 1.10
0004 hex: Unit version 1.1
1 or
later
02 hex Max Instance The maximum instance num-
ber
Read UINT 0001 hex
03 hex Number of Instances The number of object instan-
ces
Read UINT 0001 hex
Instance Attribute ID
The instance attribute ID specifies the attribute of the instance.
Attribute ID Parameter name Description
Attrib-
ute
Read/write data
Data
type
Value
01 hex Interface Configura-
tion Status
Indicates the IP address set-
ting status of the interface.
Read DWOR
D
Bits 0 to 3: Interface Configu-
ration Status:
0 = IP address is not set. (This
includes when BOOTP is
starting.)
1 = IP address is set.
Bits 4 and 5: Reserved (al-
ways F
ALSE).
bit6: AcdStatus
*1
:
FALSE = IP address collisions
have not been detected.
TRUE = IP address collisions
have been detected.
Bits 7 to 31: Reserved (always
FALSE).
8 CIP Message Communications
8-73
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-5 CIP Object Services
8
8-5-4 TCP/IP Interface Object (Class ID: F5 hex)
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