Restart Control Mode
Restart Control Mode (Restart Cont Mode) lets you choose which operating mode you want the
instrument to be in after a restart. Follow the prompts on the handheld communicator display
to define the restart control mode as Resume Last, Analog or Digital.
Restarting the Instrument
Restart resets the instrument in the same manner as when power to the instrument is
interrupted. When Restart is issued, all of the newly entered configuration variables become
active. Otherwise, they may not take effect until the instrument is placed In Service.
Burst Mode
Enabling burst mode provides continuous communication from the digital valve controller.
Burst mode applies only to the transmission of burst mode data (analog input, travel target,
pressure and travel) and does not affect the way other data is accessed.
Access to information in the instrument is normally obtained through the poll/response of
HART communication. A handheld communicator or control system may request any of the
information that is normally available, even while the instrument is in burst mode. Between
each burst mode transmission sent by the instrument, a short pause allows the handheld
communicator or control system to initiate a request. The instrument receives the request,
processes the response message and then continues “bursting” the burst mode data.
There are four burst mode commands. Command 3 is recommended for use with the
Rosemount™ 333 HART Tri-Loop™ HART-to-analog signal converter. The other three are not
used at this time.
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