User`s guide

Industrial Protocols EtherNet/IP
2-5
Instance Attribute List
Attr ID
Access Rule
Name
(Struct.)
Data Type
Description
1
Get
Status
DWORD (32)
Interface status
0 = The Interface Configuration
attribute has not been configured.
1 = The Interface Configuration
attribute contains valid
configuration obtained from
BOOTP, DHCP or non-volatile storage.
2
Get
Configurat
ion
Capability
DWORD (32)
Interface capability flags
Bit map of capability flags:
Bit 0: BOOTP Client
Bit 1: DNS Client
Bit 2: DHCP Client
Bit 3: DHCP-DNS Update
Bit 4: Configuration Settable
3
Get/Set
Configurat
ion
Control
DWORD (32)
Interface control flags
Bit map of control flags:
Bit 0 to 3: Startup Configuration
0 = The device shall use the
interface configuration values
previously stored (for example,
in non-volatile memory or via
hardware
witches).
1 = The device shall obtain its
interface configuration values via
BOOTP.
2 = The device shall obtain its
interface configuration values via DHCP
upon start-up.
3 to15 = Reserved.
4
Get
Physical
Link
Object
(Struct.)
Path to physical link object
Path Size
UINT (16)
Size of Path
Path
Padded
EPATH
Logical segments identifying the
physical link object
5
Get/Set
Interface
Configurat
ion
(Struct.)
TCP/IP network interface configuration
IP Address
UDINT (32)
The device’s IP address
Network Mask
UDINT (32)
The device’s network mask
Gateway
Address
UDINT (32)
Default gateway address
Name Server
UDINT (32)
Primary name server
Name Server2
UDINT (32)
Secondary name server
Domain Name
STRING
Default domain name
6
Get/Set
Host
Name
STRING
Host name
The TCP/IP Object Instance supports the following CIP Common services:
Common Service List
Service
Code
Implementation
Service Name
Description
Class
Instance
0 x 01


Get_Attributes_All
Returns the contents of all attributes of the class
0 x 0E


Get_Attribute_Single
Used to read an object instance attribute
0 x 10

Set_Attribute_Single
Used to modify an object instance attribute
Ethernet Link Object
The Class code of Ethernet Link object is 0xf6 (Defined in CIP Vol2, 5-4). For each switch port, there is an
instance of this class. The following table shows the mapping of instance number and the switch port
number.
Instance Number
Mapping to
0
Ethernet Link class
1
1st switch port
2
2nd switch port
3
3rd switch port
…
…