Operating instructions

15
5 Connecting to power supply
VEGAMET 625 • Double channel HART
28970-EN-150129
17 18 19 20 21 22
9101112
1
234
23 24 25 26 27 28
13 14 15 16
56 78
L1
N
+
-
+- +- +-
+-
17 2 3
8
9
4 5 6
+-
1211
14
13
10
Fig. 4: Wiring plan VEGAMET 625 with four-wire sensors
1 Internal operating relay 1
2 Internal operating relay 2
3 Internal operating relay 3
4 Internal current output 1
5 Internal current output 2
6 Internal current output 3
7 Voltage supply of VEGAMET 625
8 Measurement data input with sensor supply (active input)
9 Measurement data input (passive input), not in Ex ia
10 Internal fail safe relay
11 HART four-wire sensor with Multidrop address 1
12 HART four-wire sensor with Multidrop address 2
13 Distributor
14 Power supply for four-wire sensors
Wiring plan for four-wire
sensors