Vega VEGABAR 75 4 … 20 mA_HART Bedienungsanleitung PDF herunterladen (Seite 19)

6 Set up

6.1 Setup steps w

ithout VEGADIS 12

After mounting and electrical connection, VEGABAR 75 is

ready for operation.

à Switch on voltage

The electronics now carries out a self-check for approx. 2

seconds. Then VEGABAR 75 delivers a current of 4 … 20 mA

according to the actual level.

6.2 Setup steps with VEGADIS 12

l zero - measuring range begin

l span - meas

uring range end

l ti - Integration

time

VEGADIS 12

TRANSMITTER

4...20mA

not used

8765

1211101 2 3

OPERATE

ZERO

SPAN

TRANSMITTER

Fig. 8: Adjustment elements of VEGADIS 12

1 Rotary switch: choose the requested function

2 [+] key, change value (rising)

3 [-] key, change value (falling)

l With

the rotary switch the requested function is selected

l With the [+] and [-] keys, the signal current

or the

integration time are adjusted

l Finally the rotary switch is set to position "OPERATE"

The set values are transmitted to the EEPROM memory and

remain there even in case of voltage loss.

Proceed as follows for adjustment with VEGADIS 12:

1 Open housing cover

2 Connect hand multimeter to terminals 10 and 12

3 Meas. range begin: Set rotary switch to "zero"

Adjustment volume

Adjustment system

Adjustment steps, adjustment

VEGABAR 75 - 4 … 20 mA/HART 19

Set up

28433-EN-070718

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