Attribute
Access
Name
Data type
Description/value
STRUCT of Last active node on port 1
UDINT
IP
6
Get
Last active node on
port 1
USINT[6]
MAC
STRUCT of Last active node on port 2
UDINT
IP
7
Get
Last active node on
port 2
USINT[6]
MAC
8
Get
Ring protocol parti-
cipants count
UINT
Number of participating devices in the
ring protocol
ARRAY of:
STRUCT
OF
List of participating devices in the ring
protocol
UDINT
IP
9
Get
Ring protocol parti-
cipants list
USINT[6]
MAC
STRUCT of Active Supervisor address
UDINT
Supervisor IP address
0 = No IP address configured for the
device
10
Get
Active supervisor
address
USINT[6]
Supervisor MAC address
11
Get
Active supervisor
precedence
USINT
Priority value of the active ring Super-
visors
12
Get
Capability flags
DWORD
Capability Flags
Bit 1: Beacon BasedRing node
Bit 5: Supervisor
Bit 7: Flush Table Frame
Other bits: Reserved, must be 0
1) depending on the configuration of the automation system CPX-AP
Tab. 14 Device Level Ring Object
9.1.3
QoS object
–
Object class: 0x48
–
Instances: 1
The object is used to classify and prioritise data packets for EtherNet/IP communication.
Attribute
Access
Name
Data type
Description/value
Class attributes
1
Get
Revision
UINT
Revision 1
Parameterisation
17
Festo — CPX-AP-I-EP-M12 — 2019-08