
Attribute
Access
Name
Data type
Description/value
Class attributes
1
Get
Revision
UINT
Revision 3
2
Get
Max instances
UINT
Max. number of instances of the object
1)
3
Get
Num instances
UINT
Current number of instances of the
object
1)
6
Get
Max class attribute
UINT
Max. number of class attributes 7
7
Get
Max instance
attribute
UINT
Max. number of instance attributes 12
Instance attributes
1
Get
Network topology
USINT
Network topology
0 = linear
1 = ring
2
Get
Network status
USINT
Network status
0 = normal
1 = ring error
2 = unexpected loop detected
3 = partial network error
4 = short-term malfunction/cycle recov-
ery
3
Get
Ring supervisor
active status flag
USINT
Status indicator Ring Supervisoractive
0 = Backup Supervisor
1 = active ring Supervisor
2 = normal ring knot
3 = not DLR topo
4 = current ring parameters cannot be
supported (Beacon Interval/Beacon
Timeout)
STRUCT of ring Supervisor configuration
BOOL
Activate ring Supervisor
USINT
Priority ring Supervisor
UDINT
Beacon Interval
UDINT
Beacon Timeout
4
Set (NV)
Ring supervisor
config
UINT
DLR VLAN ID
5
Set
Ring faults count
UINT
Number of ring errors
Reset: write 0
Parameterisation
16
Festo — CPX-AP-I-EP-M12 — 2019-08