Configuring Burst Mode - Emerson Rosemount 2051 Reference Manual

Reference Manual
00809-0100-4107
4. Follow the screen prompts to simulate selected digital value.
2.10

Configuring burst mode

Burst mode is compatible with the analog signal. Because the HART
simultaneous digital and analog data transmission, the analog value can drive other
equipment in the loop while the control system is receiving the digital information. Burst
mode applies only to the transmission of dynamic data (pressure and temperature in
engineering units, pressure in percent of range, Scaled Variable, and/or analog output),
and does not affect the way other transmitter data is accessed. However, when activated,
bust mode can slow down communication of non-dynamic data to the host by 50 percent.
Access to information other than dynamic transmitter data is obtained through the
normal poll/response method of HART communication. A Field Communicator, AMS
Device Manager, or the control system may request any of the information that is
normally available while the transmitter is in burst mode. Between each message sent by
the transmitter, a short pause allows the Field Communicator, AMS Device Manager, or a
control system to initiate a request.
2.10.1 Choosing burst mode options in HART
Message content options:
• PV only
• Percent of Range
• PV, 2V, 3V, 4V
• Process Variables
• Device Status
2.10.2 Choosing burst mode options in HART
Message content options:
• PV only
• Percent of Range
• PV, 2V, 3V, 4V
• Process Variables and Status
• Process Variables
• Device Status
2.10.3 Choosing a HART
When in HART 7 mode, the following trigger modes can be selected.
Reference Manual
b) Sensor Temperature
c) Scaled Variable
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7 trigger mode
Configuration
September 2020
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protocol features
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5
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7
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