Flowserve 3400IQ Digital Positioner - Manual (Page 89)

Logix 3400IQ Digital Positioner FCD LGENIM3402-00 – 0/07
flowserve.com
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 OD
index
Default Value
CURRENT_TIME The current application clock time. 262 Dynamic
LOCAL_TIME_DIFF Used to calculate local time from CUR-
RENT_TIME.
263 0
AP_CLOCK_SYNC_
NTERVAL
The interval in seconds between time
messages on the link (bus).
264 Set by SM (mgr.) during
address assignment
TIME_LAST_RCVD The application clock time contained in
the last clock message.
265 Dynamic
PRIMARY_AP_TIME_
PUBLISHER
The node address of the primary time
publisher for the local link (bus).
266 Set by SM (mgr.) during
address assignment
TIME_PUBLISHER_ADDR The node address of the device which
sent the last clock message.
267 Dynamic
Unused 268
MACROCYCLE_DURA-
TION
The length of the macro cycle in 1/32 of
a millisecond ticks.
269 Set by SM (mgr.) during
address assignment
Device ID, Tag Name and Device Address
Each fieldbus device on the network is uniquely identified by:
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 OD index Default Value
DEV_ID The device ID set by the
manufacturer.
270 464C530201-VAL-LX1
400-0nnnnnnnn
PD_TAG The physical device tag to be set
using SET_PD_TAG service.
271 All Spaces
OPERATIONAL_
POWERUP
Controls the state of SM of the
device upon power-up.
272 TRUE (SM goes opera-
tional after power up)
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.
•
•
•