Device Capabilities - Emerson Rosemount 3051CF Series Reference Manual

Reference Manual
00809-0100-4774
2.3

Device capabilities

2.3.1 Link active scheduler (LAS)
The transmitter can be designated to act as the backup LAS in the event that the LAS is
disconnected from the segment. As the backup LAS, the Rosemount 3051 will take over
the management of communications until the host is restored.
The host system may provide a configuration tool specifically designed to designate a
particular device as a backup LAS.
2.3.2 Capabilities
Virtual Communication Relationship (VCRs)
There are a total of 20 VCRs. Two are permanent, and 18 are fully configurable by the host
system. 25 link objects are available.
Network parameter
Slot time
Maximum response delay
Maximum inactivity to claim LAS delay
Minimum inter DLPDU delay
Time sync class
Maximum scheduling overhead
Per CLPDU PhL overhead
Maximum inter-channel signal skew
Required number of post-transmission-gab-ext units
Required number of preamble-extension units
Host timer recommendations
T1 = 96000
T2 = 9600000
T3 = 480000
Table 2-2:
Block
Analog input
PID
Arithmetic
Input selection
Signal characterizer
Reference Manual
Configuration
July 2020
Value
6
4
47
7
4 (1 ms)
21
4
0
0
1
Time (in ms)
20
25
20
20
20
21