VEGA VEGAMET 391 4 … 20 mA_HART - Manual (Page 15)

15
5 Connecting to power supply
VEGAMET 391 • 4 … 20 mA/HART
36032-EN-130701
5.3 Wiring plan
8 7 11 10 3 9 5 4 2 1 6 12
17 18 14 15 22 16 20 21 23 24 19 13
29 30 26 27 34 28 32 33 35 36 31 25
+ -
L+
N-
+ + + + + - -
5 4 3 6
9
1 7 8 2
10 11 12 13
14
OK ESC
on
1 2 3 4 5 6
Fig. 5: Wiring plan with two-wire sensor
1 Relay 1
2 Relay 2
3 Relay 3
4 Relay 4
5 Relay 5
6 Relay 6
7 Current output
8 Operating voltage of the signal conditioning instrument
9 Measurement data input with sensor supply (active input)
10 Connection for HART modem for sensor parameter adjustment
11 Measurement data input (passive input), not with Ex-ia version
12 Digital input 1 … 4
13 Common ground for digital input 1 … 4
14 4 … 20 mA/HART sensor (two-wire version)
Wiring plan for two-wire
sensor