536 Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Appendix A CIP Objects
TCP/IP Interface Object
The TCP/IP Object (class code 0xF5) is part of the auxiliary/communications
processor EIP protocol stack. It holds the configuration relating to a device
TCP/IP network interface.
Table 302 - Object Instances
Instance
ID
Description
0 Class Instance of the TCP/IP Interface Object
1 Instance representing active TCP/IP Interface for the main module
Table 303 - Class Attributes
Attribute
ID
Access
Rule
NV Name Data
Type
Description of
Attribute
Semantics of
Values
1 Get NV Revision UINT The current revision of the TCP/IP
Interface Object
Current revision:
4
2GetVMaximum
Instance
UINT Maximum number of available TCP/IP
interface instances
1
Table 304 - Instance Attributes
Attribute
ID
Access
Rule
NV Name Data Type Description of
Attribute
Semantics of
Values
1 Get Status DWORD Bits 0 -3 (value)
•0: Not configured
• 1: Configuration based on BOOTP, DHCP, or NV stored
configuration
• 2: IP address based on the address switches (module
base)
Bits 4 and 5 relate to pending configuration changes in
configuration attributes (see standard for details)
Bit 6 - ACD Status is set when an address conflict is
detected
Bit 7 - ACD Fault is set when the current interface
configuration cannot be used due to an ACD
2 Get NV Configuration Capability DWORD Bit 0 set: BOOTP client capable
BIT 2 set: DHCP client capable
Bit 4 set: Interface Configuration attribute is settable
Bit 5 set: Hardware configurable (address switches)
Bit 6 Not set: A change in the Interface Configuration
attribute takes place immediately
Bit 7 set: The module is ACD capable
0xB5
(10110101)
3 Get/Set NV Configuration Control DWORD Configuration method, Bits 0 - 3 (value)
0: Static
1: BOOTP
2: DHCP
Note: Writing 0 to the Configuration Control makes
BOOTP/DHCP addresses non-volatile.
4 Get NV Physical Link Object STRUCT
5 Get/Set Configuration dependent Interface Configuration STRUCT When the TCP/IP addressing is based on the hardware
switches, the default gateway address setting is
192.168.1.1 unless the switch defined module address is
itself 192.168.1.1, in which case the default gateway
address reverts to the legacy setting of 0.0.0.0. The
default gateway address forms part of Attribute 5,
Interface configuration.
6 Get/Set NV Host Name STRING
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