UK
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8.4.5 Device level ring object (class code 0x47)
The device level ring object (DLR) is the interface for configuration and status
information for the DLR protocol�
Class attributes
Attribute
Name
Access Data type
Value
1
Revision
Get
UINT
3
Instance attributes
Attribute
Name
Access Data type
Value/description
1
Network topology
Get
USINT
0 = Linear
1 = Ring
2
Network status
Get
USINT
0 = Normal
1 = Ring fault
2 = Unexpected Loop detected
3 = Partial Network fault
4 = Rapid fault/Restore cycle
10
Active supervisor address
Get
STRUCT of:
– UDINT
– ARRAY of
6 USINTs
IP and/or MAC address of the
active ring supervisor:
Supervisor IP address
Supervisor MAC address
12
Capability flags
Get
DWORD
Bit 0 Announced-based ring node
(Value = 1)
Bit 1 Beacon-based ring note
(Value = 0)
Bit 2���4 Reserved (Value = 0)
Bit 5 Supervisor capable
(Value = 0)
Bit 6 Redundant Gateway Capable
(Value = 0)
Bit 7 Flush Table Frame Capable
(Value = 1)
Bit 8��31 Reserved (Value = 0)
Common services
Service code
Class
Instance
Service name
0x01
yes
yes
Get_Attribute_All
0x0E
yes
yes
Set_Attribute_Single