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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.

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)

567

( )

(-)

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

MGC = Multi Gauge Communication

Vega FIBERTRAC 31 User Manual

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