VEGA VEGAMET 624 - Manual (Page 14)

14
5 Connecting to power supply
VEGAMET 624 • 4 … 20 mA/HART
28969-EN-130701
5.3 Wiring plan
17 18 19 20 21 22
9 10 11 12
1 2 3 4
23 24 25 26 27 28
13 14 15 16
5 6 7 8
L1 N
+ -
+ - + - + -
+ -
1 7 2 3
8
4 5 6
+ -
9
11
10
Fig. 3: Wiring plan VEGAMET 624 with two-wire sensor
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 624
8 Measurement data input with sensor supply (active input)
9 Measurement data input (passive input), not with Ex-ia version
10 Internal fail safe relay
11 4 … 20 mA/HART sensor (two-wire version)
Wiring plan for two-wire
sensor