VEGA VEGAFLEX 81 4 … 20 mA_HART - four-wire Coax probe - Manual (Page 22)

22
5 Connecting to power supply
VEGAFLEX 81 • 4 … 20 mA/HART - four-wire
42280-EN-130314
5.3 Wiring plan, double chamber housing
The following illustrations apply to the non-Ex as well as to the Ex-d
version.
5 6 7 8
4...20mA
2
1 2 + ( ) (-)
1
Fig. 10: Electronics compartment, double chamber housing
1 Internal connection to the connection compartment
2 For display and adjustment module or interface adapter
Information:
The connection of an external display and adjustment unit is not pos-
sible with this double chamber housing.
power supply
4...20mA
active passive common IS GND
5 1
/L
/N
PE
2 + ( ) (-) 6 7 8
Fig. 11: Connection compartment with double chamber housing with mains
voltage
Terminal Function Polarity
1 Voltage supply +/L
2 Voltage supply -/N
5 4 … 20 mA output (active) +
6 4 … 20 mA output (passive) +
7 Mass - output -
Electronics compartment
Connection compartment
with mains voltage