28 (54)
6.7
DLR Object (47h)
Object Description
The Device Level Ring (DLR) Object provides the status information interface for the DLR protocol. This
protocol enables the use of an Ethernet ring topology, and the DLR Object provides the CIP application-level
interface to the protocol.
Supported Services
Class:
Get_Attribute_Single
Get_Attributes_All
Instance:
Get_Attribute_Single
Class Attributes
#
Name
Access
Type
Value
1
Revision
Get
UINT
0003h (Object revision)
Instance Attributes
#
Name
Access
Type
Value/Description
1
Network
Topology
Get
USINT
Bit:
0
1
Contents:
“Linear”
“Ring”
2
Network Status Get
USINT
Bit:
0
1
2
3
4
Contents:
“Normal” (N/A)
“Ring Fault”
“Unexpected Loop Detected”
“Partial Network Fault”
“Rapid Fault/Restore Cycle”
10
Active
Supervisor
Address
Get
Struct of: UDINT
Array of:
6 USINTs
This attribute holds the IP address (IPv4) and/or the Ethernet Mac address of
the active ring supervisor.
12
Capability Flags Get
DWORD
82h (Beacon-based ring node, Flush_Table frame capable)
Anybus
®
CompactCom
™
B40 Modbus Serial EtherNet/IP Network Guide
SCM-1202-131 1.1 en-US