Set Up - Vega TRENN 149A Ex Instrucción De Servicio

Set up

0+H
VEGADIS 175
Fig. 4: Connection example with HART communication
0+H 0+
VEGADIS 175
Fig. 5: Connection example without HART communication
16
0+ 0-
OK
0-
OK
5.3 Anschlussplan
Klemmenbelegung
1
2
3 4
1 Sensor circuit
2 HART-Kommunikationsbuchse
3 Processing circuit
4 Power supply
Desig- Klemmenbelegung
nation
L/+ L (AC), + (DC)
N/- N (AC), - (DC)
Grounding Protective conductor PE
O+ Measuring signal +
O- Messsignal -
O+H Measuring signal + with
HART resistor
I+ Messsignal +
I- Messsignal -
CON- HART communication sock-
NECT ets
6 Set up
6.1 Operation
There are no adjustment elements on VEGA-
TRENN 149A Ex. Via the HART communication
sockets in the front, a parameter adjustment of the
+I +I –I –I
I + I –
0 +
0 – L / + N / –
0 + H
Input and
output
Voltage supply
Voltage supply
Voltage supply
Messsignal (Aus-
wertstromkreis)
"Nicht-Ex-Bereich"
Measuring signal
(sensor circuit) "Ex
area"
HART handheld or
VEGACONNECT
VEGATRENN 149A Ex