Deltabar FMD71, FMD72 Description of device parameters
51
Write permission Service engineers/Expert
Description Use this function to enter the address via which a data exchange is to take place via HART
protocol. (HART 5.0 master: Range 0 to 15, where address = 0 calls up the "Signaling"
setting; HART 6.0 master: Range 0 to 63)
Factory setting 0
Preamble Number (146)
Navigation Expert → Communication → HART config → Preamble Number (146)
Write permission Service engineers/Expert
Description Use this function to enter the number of preambles in the HART protocol.
(Synchronization of the modem components along a transmission path, each modem
component could "swallow" one byte, at least 2 bytes must be the preamble.)
Input range 2...20
Factory setting 5
Primary Value Is (147)
Navigation Expert → Communication → HART Output → Primary Value Is (147)
Write permission No write permissions. Parameter is read only.
Description Indicates which measured value is transmitted via the HART protocol as the primary
process value.
Factory setting Depending on the selected measuring mode, the following measured values can be
displayed:
• "Pressure" measuring mode: "Differential pressure"
• "Level" measuring mode, Lin. mode "Linear": "Level before Lin"
• "Level" measuring mode, Lin. mode "Activate table": "Tank content"
Primary Value (148)
Navigation Expert → Communication → HART output → Primary Value (148)
Write permission No write permissions. Parameter is read only.
Description The primary value is displayed.
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