Vega VEGADIS 62, Руководство по эксплуатации

Страница: 21 / 52

H
ence terminals
1
and
2
on the
VEGADIS
62
must be closed with a
bridge
.
1 2
+
( ) (-)
3 4
+
( ) (-)
1
2
3
F ig . 15 : B ridge on terminals 1 and 2 on the VEGADIS 62
1 B ridge
2 VEGADIS 62
3
S ignal conditioning instrument
5
.
7
S witch - on phase
D uring the start - up process , the VEGADIS
62
tries automatically to get
in contact with the connected sensor via HART and to accept the
settings ( unit , adjustment and damping ) of this sensor . D uring
connection , the status line displays " CONNECT HART " .
I
f a
HART
sensor is identi fi ed
,
then the
HART
symbol is displayed
. T
he
VEGADIS
62
switches to HART mode and and starts operation with
the settings accepted from the sensor .
N ote :
T
his procedure is repeated whenever the voltage supply is connected
.
I f during the start process an individual key is pressure or if the
instrument has not identi fi ed within approx .
70
seconds a HART
sensor , then the digital indication switches to basic mode and starts
operation with the default settings .
I
f the
HART
address is modi fi ed by the control system during
operation , a new connection is established , however , the sensor must
answer immediately in order for the connection to be set up .
VEGADIS
62 21
5
C onnecting to power supply
36469
-
EN
-
120329