Flowserve 3400IQ Digital Positioner - Manual (Page 87)

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Logix 3400IQ Digital Positioner FCD LGENIM3402-00 – 0/07
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8.17 Management Virtual Field Device
VFD
Refer to FF documentation for details about this Virtual Field Device (VFD).
8.18 System Management
Description
System Management (SM) operates on special objects in the System Management Information Base
(SMIB) which is part of the Management Virtual Field Device (VFD).
System Management Key Features
The key features of system management operation:
Provide system application clock time synchronization
Provide scheduling of function blocks
Manage automatic device address assignment
Provide tag search service
System Management Information Base (SMIB)
The SMIB contains various objects that are associated with system management operation. Table
8.22 shows a listing of the SMIB object dictionary. Groups of objects (along with their starting index
number) are included in the SMIB for the Logix 3400IQ digital positioner. The numbers in parenthesis
indicate the number of objects.
Table 8.22 Logix 3400IQ Digital Positioner SMIB Object Dictionary
Dictionary Index Object
Header Reserved
Directory of Revision Number (1)
Number of Directory Objects (1)
Total Number of Directory Entries (5)
Directory Index of First Composite List Reference (0)
Number of Composite List References (0)
258 System Management Agent Starting OD Index
Number of System Management Agent Objects (4)
262 Sync and Scheduling Starting OD Index
Number of Sync and Scheduling Objects (8)
270 Address Assignment Starting OD Index
Number of Address Assignment Objects (3)
273 VFD List Starting OD Index
Number of VFD List Objects (2)
275 FB Schedule Starting OD Index
Number of FB Schedule Objects (2)
Supported Features
The features supported by system management include the key features listed above as well as the
ones designated in Table 8.23. The object SM_SUPPORT indicates which features are supported by
system management in the FBAP. The features are mapped to the bits in the bit string shown below.
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