Implemented CIP™ objects
EtherNet/IP objects
122
Lenze · Decentralised frequency inverter 8400 motec (EtherNet/IP™ option) · EDS84DMOTEIP EN 3.0 - 02/2019
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14.2
EtherNet/IP objects
14.2.1
Device Level Ring (DLR) Object (71 / 0x47)
The "Device Level Ring (DLR) Object" provides status information for the DLR protocol. The DLR
protocol is a "layer 2" protocol enabling the use of an Ethernet ring topology.
Class attributes
Instance attributes
Note!
Only the "beacon-based ring node" mode is supported.
Attribute
ID
Service
Name
Data type
Value
1
Get
Revision
UINT
2 (0x0002)
2
Get
Max. Instance
UINT
1 (0x0001)
3
Get
Number of Instances
UINT
1 (0x0001)
6
Get
Max. ID Number Class
Attributes
UINT
7 (0x0007)
7
Get
Max. ID Number Instance
Attributes
UINT
2 (0x0002)
Attribute
ID
Service
Name
Data type
Value
1
Get
Network Topology
USINT
Current network topology
• 0: Line topology
• 1: Ring topology
(Display via
2
Get
Network Status
USINT
Current network status
• 0: Normal
• 1: Ring Fault (only for ring topology)
• 2: Unexpected Loop Detected (only for
line topology)
(Display via
10
Get
Active Supervisor
Address
STRUCT of:
IP and MAC address of the active ring
supervisor
Supervisor IP Address UDINT
Ethernet MAC address
The value ’0’ indicates that no IP address has
been configured for the device.
(Display via
Supervisor MAC Address ARRAY of
USINT[6]
Ethernet MAC address
(Display via
12
Get
Capability Flags
DWORD
Telegram processing method for the ring
node implementation
• 2: Beacon-based ring node