VEGA VEGABAR 75 4 … 20 mA_HART - Manual (Page 19)

6 S et up
6 .1 Setup steps without VEGADIS 12
A
fter mounting and electrical connection, VEGABAR 75 is
ready for operation.
à Switch on voltage
T
he 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 - measuring range end
l
ti - Integration time
VEGADIS 12
TRANSMITTER
+
4...20mA
+
not used
8 7 6 5 12 11 10 1 2 3
- -
OPERATE
ti
ZERO
SPAN
TRANSMITTER
1
2
3
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
W
ith the rotary switch the requested function is selected
l
W ith the [+] and [-] keys, the signal current or the
integration time are adjusted
l
F inally the rotary switch is set to position "OPERATE"
T he set values are transmitted to the EEPROM memory and
remain there even in case of voltage loss.
P
roceed as follows for adjustment with VEGADIS 12:
1 O pen housing cover
2 C onnect hand multimeter to terminals 10 and 12
3 M eas. range begin: Set rotary switch to "zero"
Adjustment volume
Adjustment system
Adjustment steps, adjustment
VEGABAR 75 - 4 … 20 mA/HART 19
S et up
28433
-
EN
-070718