Vega FIBERTRAC 31 - Page 25

25
5 Connecting to power supply
FIBERTRAC 31 • Probus PA
43833-EN-170126
instructions are part of the scope of delivery and come with the Ex-
approved instruments.
6
8
9
4
5
7
1
2
3
1
1
24
/L
/N
PE
56
22
11
12
2122 1920 18 17 14 1316 15 12
Fig. 14: Electronics and terminal compartment (Ex-d) with instruments with
intrinsically safe current output
1 Voltage supply
2 Relay output
3 AdjustmentbusaddressforProbusPA
4 Signal input 4 … 20 mA (active sensor)
5 Switching input for NPN transistor
6 Switchinginputoating
7 Transistor output
8 Interface for sensor-sensor communication (MGC)
9 Setting the bus address for sensor-sensor communication (MGC)
4)
567
8
2
3
4
1
2
+
( )
(-)
1
Fig. 15: Adjustment and connection compartment (Ex-ia) with instruments with
intrinsically safe current output
1 TerminalsforProbusPA
2 Contact pins for the display and adjustment module or interface adapter
3 Terminals for the external display and adjustment unit
4 Ground terminal
Electronics and terminal
compartment - Instru-
ments with intrinsically
safe current output
Adjustment and connec-
tion compartment - In-
struments with intrinsi-
cally safe current output
4)
MGC = Multi Gauge Communication