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 0002 hex: Unit version 1.11 or
earlier
0004 hex: Unit version 1.12 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 Speed Gives the baud rate for the in-
terface.
Read UDINT Reads the current value.
02 hex Interface Flags Gives the status of the inter-
face.
Read DWOR
D
Refer to (1) Interface Flag
Details, below
.
03 hex Physical Address Gives the MAC address of
the interface.
Read ARRAY
[0...5]
OF
USINT
Reads the current value of
the MAC address.
8 CIP Message Communications
8-76
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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