Vega MINITRAC 31 Profibus PA Bedienungsanleitung PDF herunterladen (Seite 24)

5 Connecting to power supply

MINITRAC 31 • Probus PA

43836-EN-131119

567

Fig. 11: 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

instructions are part of the scope of delivery and come with the Ex-

approved instruments.

2122 1920 18 17 14 1316 15 12

Fig. 12: Electronics and connection 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)

Adjustment and con-

nection compartment

- Non-Ex instruments and

instruments with non-

intrinsically safe current

output

Electronics and connec-

tion compartment - In-

struments with intrinsi-

cally safe current output

MGC = Multi Gauge Communication

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Vega MINITRAC 31 Profibus PA Bedienungsanleitung Seite 24