VEGA VEGAMET 624 User Manual
Page 15
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15
5 Connecting to power supply
VEGAMET 624 • 4 … 20 mA/HART
28969-EN-130701
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
9
4
5
6
+ -
11
12
10
Fig. 4: Wiring plan VEGAMET 624 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 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 (four-wire version)
12 Power supply for four-wire sensor
Wiring plan for four-wire
sensors
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