Vega POINTRAC 31 Foundation Fieldbus Bedienungsanleitung PDF herunterladen (Seite 47)

11 Supplement

POINTRAC 31 • Foundation Fieldbus

41779-EN-131119

General Information LAS (Link Active Scheduler) No

Master Capable No

NumberofVCRs(VirtualCommunication

Relationships)

Function block Analog Input (AI)

The function block "Analog Input (AI)" takes the original measured value selected by a Channel

Number and makes it available to additional function blocks on its output.

Fig. 18: Schematic presentation function block Analog Input (AI)

Parameter list

The following table gives you an overview of the parameters used.

FF descriptor Rel. In-

dex

Description Unit

PRIMARY_VALUE 13 PRIMARY_VALUE(Linearizedvalue).Thisisthe

process value after min/max adjustment and Lin-

earizationwiththestatusofthetransducerblock.

Theunitisdenedin"PRIMARY_VALUE_UNIT"

FF_PRIMARY_VAL-

UE_UNIT

FF_PRIMARY_VALUE_

UNIT

14 Selected unit code for "PRIMARY_VALUE" -

FF_VAPOR_DENSITY 15 Density with Temperature correction FF_VAPOR_DENSI-

TY_UNIT

FF_VAPOR_DENSITY

_UNIT

16 Selected unit code for “FF_VAPOR_DENSITY” -

FF_PROCESS_TEM-

PERATURE

17 Process temperature FF_PROCESS_TEM-

PERATURE_UNIT

FF_PROCESS_TEM-

PERATURE_UNIT

18 Selected unit code for “FF_PROCESS_TEMPER-

ATURE”

FF_DENSITY 19 Density FF_DENSITY_UNIT

FF_DENSITY_UNIT 20 Selected unit code for “FF_DENSITY” -

FF_VOLUMETRIC_

FLOW

21 Volumetricow FF_VOLUMETRIC_

FLOW_UNIT

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 59 60

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