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NRG User Manual | © 2020 | CARLO GAVAZZI LTD.
V1.0 | NRG EtherNet/IP User Manual | © 2020 | CARLO GAVAZZI LTD.
EN
Device Level Ring Object
Object
Class No.
Object Instance
Description
0x47
1
Provides the configuration of the DLR protocol. DLR is used
for Ethernet Ring topology.
Class attributes
Attribute
Name
Default Value
Description
1
Revision
3
Revision of this object
2
Max. instance
1
Maximum instance number of an object
currently created in this class level of the
device
6
Maximum ID Number
Class Attributes
7
The attribute ID number of the last class
attribute
of
the
class
definition
implemented in the device
7
Maximum ID Number
Instance Attributes
12
The attribute ID number of the last instance
attribute
of
the
class
definition
implemented in the device
Instance attributes
Attribute
Name
Default Value
Description
1
Network topology
0
Current network topology
2
Network status
0
Current network status
10
Active Supervisor
0
Active supervisor address
12
Capability Flags
0x82
DLR capability of the device
Common services
Service
code
Service Name
Class Level
Instance
Level
Description
0x01
Get Attribute All
Retrieve all attribute values
0x0E
Get Attribute Single
Retrieve attribute value
Quality of Service Object
Object
Class No.
Object Instance
Description
0x048
1
Frame prioritization is mainly handled by this object instance
Class attributes
Attribute
Name
Default Value
Description
1
Revision
1
Revision of this object
2
Max. instance
1
Maximum instance number of an object
currently created in this class level of the
device
6
Maximum ID Number
Class Attributes
7
The attribute ID number of the last class
attribute
of
the
class
definition
implemented in the device
7
Maximum ID Number
Instance Attributes
8
The attribute ID number of the last instance
attribute
of
the
class
definition
implemented in the device
Instance attributes
Attribute
Name
Default Value
Description
2
DSCP PTP Event
59
DSCP value for PTP Event frames
3
DSCP PTP General
47
DSCP value for PTP general frames
4
DSCP Urgent
55
DSCP value for implicit messages with
urgent priority
5
DSCP Scheduled
47
DSCP value with implicit messages with
scheduled priority
6
DSCP High
43
DSCP value for implicit messages with high
priority
7
DSCP Low
31
DSCP value for implicit messages with low
priority
8
DSCP Explicit
27
DSCP value for explicit messages
