Emerson 3051S Specifications Page 77

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Reference Manual
00809-0100-4001, Rev JA
Section 3: Configuration
November 2012
Configuration
1. Select the desired user configuration in the User Configurations window.
2. Drag the icon onto a like device in AMS Device Manager Explorer or Device Connection
View. The Compare Configurations window opens, showing the parameters of the
target device on one side and the parameters of the user configuration on the other.
3. Transfer parameters from the user configuration to the target device as desired. Click
OK to apply the configuration and close the window.
3.13.2 Burst mode
When configured for burst mode, the 3051 provides faster digital communication from the
transmitter to the control system by eliminating the time required for the control system to
request information from the transmitter. Burst mode is compatible with the analog signal.
Because the HART protocol features 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, and/or analog output), and does
not affect the way other transmitter data is accessed.
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.
The transmitter will receive the request, process the response message, and then continue
“bursting” the data approximately three times per second.
Field communicator
AMS device manager
Right click on the device and select Configure from the menu.
1. In the HART tab, use the drop down menu to select “Burst Mode ON or OFF.” For “Burst
option” select the desired properties from the drop down menu. Burst options are as
follows:
PV
% range/current
Process vars/crnt
Process variables
2. After selecting options click Apply.
3. After carefully reading the warning provided, select yes.
Traditional 4-20 mA Fast Keys
1, 4, 3, 3, 3
Traditional 1-5 Vdc Fast Keys
1, 4, 3, 3, 3
Device Dashboard Fast Keys
2, 2, 4, 1
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