2 connection - level measurement – VEGA SOLITRAC 31 Profibus PA User Manual

Page 19

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19

5 Connecting to power supply

SOLITRAC 31 • Profibus PA

43834-EN-131119

Information:

The terminal blocks are pluggable and can be detached from the

electronics. For this purpose loosen the two lateral locking levers of

the terminal block with a small screwdriver. When loosening the lock-

ing, the terminal block is automatically squeezed out. It must snap in

place when re-inserted.

5.2 Connection - Level measurement

Non-Ex instruments and instruments with non-intrinsically safe

current output

7

9

10

5

6

8

1

2

3

4

1

1

24

/L

/N

PE

56

22

11

12

21

22

19

20

18
17

14
13

16
15

12

91

01
1

Fig. 7: Electronics and connection compartment with non-Ex instruments and

instruments with non-intrinsically safe current output
1 Voltage supply

2 Relay output

3 Adjustment bus address for Profibus PA

4 Connection Profibus PA

5 Signal input 4 … 20 mA (active sensor)

6 Switching input for NPN transistor

7 Switching input floating

8 Transistor output

9 Interface for sensor-sensor communication (MGC)

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

1)

Electronics and con-

nection compartment

- Non-Ex instruments and

instruments with non-

intrinsically safe current

output

1)

MGC = Multi Gauge Communication

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