Kurz B Series - Configuring the Built-In Flow Controller; HART Interface

KurzB‐SeriesOperationsGuide 6–5
Flow Meter Configuration
HART Interface
Zero‐mid‐spandriftcheckscanbeinitiatedthroughtheHARTinterfaceusingahandheld
communicatororaWindows‐basedHARThostiftheB‐SeriesDeviceDescriptor(DD)isloaded
intotheHARThostmemorymodule.ThefollowingDriftCheckmenuexamplesarefroman
Emerson 475handheldcommunicator.

Configuring the Built-In Flow Controller
TheB‐Seriesusesamanuallyconfigured,built‐inflowcontrollerbasedonasimplelocalflow
controlPIDloop.Thissectiondescribessettinguptheflowcontrolfunctionsandinformation
aboutfeedbackcontrolsystems.

Table 6‐3. Summaryofflowcontrollercapabilities
Capability Description
Controloutput 4‐20mApositionalsignal.
Fixedoutputpositioncontrolfortestinginprogrammode
(%ofAOrange).
Setpointregister Fixflow,menuprogrammed.
Modbuswriteregister.
Analoginputsetpoint 4‐20mAinput,engineeringunitsscaled.
Referencemeter Meter1,flowrate.
PID Manualgainsetting.
Normalizedcoefficients:
P: gain
I: timeconstant
D: timeconstant