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5 Connecting to power supply

FIBERTRAC 31 • Probus PA

43833-EN-170126

5.3 Connection - Level detection

Non-Ex instruments and instruments with non-intrinsically safe

current output

2122 1920 18 17 14 1316 15 12

91011

Fig. 12: Electronics and terminal compartment with non-Ex instruments and

instruments with non-intrinsically safe current output

1 Voltage supply

2 Relay output

3 AdjustmentbusaddressforProbusPA

4 ConnectionProbusPA

5 Signal input 4 … 20 mA (active sensor)

6 Switching input for NPN transistor

7 Switchinginputoating

8 Transistor output

9 Interface for sensor-sensor communication (MGC)

10 Setting the bus address for sensor-sensor communication (MGC)

567

Fig. 13: Adjustment and connection compartment with non-Ex instruments and

instruments with non-intrinsically safe current output

1 Terminals for the external display and adjustment unit

2 Contact pins for the display and adjustment module or interface adapter

Instruments with intrinsically safe current output

You can nd detailed information on the explosion-protected versions

(Ex-ia, Ex-d) in the Ex-specic safety instructions. These safety

Electronics and terminal

compartment - Non-Ex

instruments and instru-

ments with non-intrinsi

cally safe current output

Adjustment and con-

nection compartment

- Non-Ex instruments and

instruments with non-

intrinsically safe current

output

MGC = Multi Gauge Communication

Vega FIBERTRAC 31 User Manual

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