Table 8.25 Sm Sync And Scheduling Objects; Table 8.26 Sm Address Assignment Objects - Flowserve Logix 3400IQ User Instructions

Sync and Scheduling Objects
These objects are used by system management to provide application clock synchronization and
macro cycle scheduling for the device. Table 8.25 identifies the sync and scheduling objects with their
object directory index and default values.

Table 8.25 SM Sync and Scheduling Objects

Object Description
CURRENT_TIME The current application clock time.
LOCAL_TIME_DIFF Used to calculate local time from CUR-
RENT_TIME.
AP_CLOCK_SYNC_ The interval in seconds between time
NTERVAL messages on the link (bus).
TIME_LAST_RCVD The application clock time contained in
the last clock message.
PRIMARY_AP_TIME_ The node address of the primary time
PUBLISHER publisher for the local link (bus).
TIME_PUBLISHER_ADDR The node address of the device which
sent the last clock message.
Unused
MACROCYCLE_DURA- The length of the macro cycle in 1/32 of
TION a millisecond ticks.
Device ID, Tag Name and Device Address
Each fieldbus device on the network is uniquely identified by:
•
Device ID that is set by the manufacturer to identify the device.
•
Device Name (Tag) - set by the user to identify operation
•
Device Address - a unique numerical address on the fieldbus segment. Address may be set
automatically by system management.
Address Assignment Objects
Table 8.26 is a description of the address assignment objects with their object directory index and
default values.

Table 8.26 SM Address Assignment Objects

Object Description
DEV_ID The device ID set by the
manufacturer.
PD_TAG The physical device tag to be set
using SET_PD_TAG service.
OPERATIONAL_ Controls the state of SM of the
POWERUP device upon power-up.
Logix 3400IQ Digital Positioner FCD LGENIM3402-00 – 0/07
OD Default Value
index
262 Dynamic
263 0
264 Set by SM (mgr.) during
address assignment
265 Dynamic
266 Set by SM (mgr.) during
address assignment
267 Dynamic
268
269 Set by SM (mgr.) during
address assignment
OD index Default Value
270 464C530201-VAL-LX1
400-0nnnnnnnn
271 All Spaces
272 TRUE (SM goes opera-
tional after power up)

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