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Reference Manual
00809-0100-2240, Rev DA
5.8
Device capabilities
5.8.1
Link active scheduler
The Rosemount 2240S can be designated to act as the backup Link Active Scheduler (LAS) in the event
that the LAS is disconnected from the segment. As the backup LAS, the Rosemount 2240S will take over
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. Otherwise, this can be configured manually.
5.8.2
Device addressing
F
OUNDATION
Table 5-5. Address Ranges for F
Address range
(decimal)
0 through 15
16 through 247
248 through 251
252 through 255
Configuration/Operation
fieldbus devices use addresses divided into four sub ranges as shown in
OUNDATION
Address range
(hexadecimal)
00 through 0F
10 through F7
F8 through FB
FC through FF
Fieldbus Devices
Allocation
Reserved
Permanent devices
New or decommissioned
devices
Temporary ("visitor") devices.
Example: 375/475
communicator
Configuration/Operation
October 2017
Table
5-5.
69
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