8. OPERATION VIA HART COMMUNICATOR
8.3.4.7Example 4 of Other Settings: Burst Mode
The AXFA11 continuously sends its stored data when the “Burst mode” is set to “On”. Any one of instantaneous flow rate, output in %, totalization values or current output can be selected and sent. The data is sent intermittently as a digital signal when the AXFA11 is set in the “Burst mode.
Setting of Burst Mode
Open the “Burst option” display:
1. Device Setup 4. Detailed Setup 5. HART Output 4. Burst option
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| PV |
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| % range/current |
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| Process vars/crnt |
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| ENTER |
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(SEND)
Call up “Burst mode” display.
5.HART Output 3. Burst mode
1AXFA11 :
Off Off
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1 | Poll addr | 0 |
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2 | Num req preams | 5 |
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3 | Burst mode |
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4 | Burst option |
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Select the type of data to be sent.
•Instantaneous flow rate (PV)
•Output in % and current output (% range/current)
•Instantaneous flow rate, totalization value* and current output (Process vars/crnt)
*“Totl”, “Reverse Totl” or “Dif Totl”
Select “On” and press ENTER (F4).
Press SEND (F2).
HELP SEND HOME
F0817.EPS
Exiting Burst Mode
Open the “Burst mode” display, and select “Off”.
8.3.4.8Example 5 of Other Settings: Multidrop Mode
Field devices in “Multidrop Mode” refers to the connection of several field devices on a single communication line. Up to 15 field devices can be connected when set to the multidrop mode. To activate multidrop communication, the field device address must be changed to a number from 1 to 15. This change deactivates the 4 to 20 mA output and changes it to 4 mA.
Setting of Multidrop Mode
Open the “Poll addr” display:
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| ‘1’ | Set the polling address (a number from 1 to 15) and press | |||||||||
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| Then, press SEND (F2) to send the data. | |||||
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F0818.EPS
IM |