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6 level measurement – VEGA VEGADIF 55 4 … 20 mA_HART User Manual

Page 64

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Measured value indication: S

elect Quick SETUP menu.

MEASURING MODE: S

elect option "Flow".

POS. ZERO ADJUST: D

ue due the installation position of the

instrument, a shift of the measured value can be caused. Correct the
MEASURED VALUE

via the parameter POS. ZERO ADJUST with the

option "Accept", i.e. assign the value 0 to the existing pressure.

MAX. FLOW: E

nter the max. flow of the effective pressure transmitter

(

see also construction sheet of the effective pressure transmitter).

MAX. PRESSURE: E

nter the max. pressure of the effective pressure

transmitter (see also construction sheet of the effective pressure

transmitter).

DAMPING VALUE: E

nter the damping time (time constant τ). The

damping influences the speed with which all following elements such

as e.g. local indication, measured value and current output react to a
pressure change. Enter the damping time (time constant τ).

7

.6 Level measurement

Open vessel
VEGADIF

55

is used in all versions for level measurements.

Note:
VEGADIF

55

in flange version: After opening a probably existing block

valve, the instrument is ready for operation.

B

efore you adjust VEGADIF 55 in basic version, you have to clean the

effective pressure lines and the instrument must be filled with the

medium.

HART handheld

Preparations

64

VEGADIF

55 • 4 … 20

mA/HART

7 S

et up

31731

-EN

-081119