Connection - Level Measurement - Vega FIBERTRAC 31 Quick Setup Manual

Electronics and con-
nection compartment
- Non-Ex instruments and
instruments with non-
intrinsically safe current
output
Adjustment and con-
nection compartment
- Non-Ex instruments and
instruments with non-
intrinsically safe current
output
FIBERTRAC 31 • Four-wire 4 ... 20 mA/HART
4.2

Connection - Level measurement

Non-Ex instruments and instruments with non-intrinsically safe
current output
/L
1
/N
PE
2
3
4
Fig. 8: Electronics and connection compartment with non-Ex instruments and
instruments with non-intrinsically safe current output
1 Voltage supply
2 Relay output
3 Signal output 4 ... 20 mA/HART active
4 Signal output 4 ... 20 mA/HART passive
5 Signal input 4 ... 20 mA
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)
Fig. 9: 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 find detailed information on the explosion-protected versions
(Ex-ia, Ex-d) in the Ex-specific safety instructions. These safety
MGC = Multi Gauge Communication
1)
4 Connecting to power supply
10
9
8
6
5
2
1
6 7 8
5
7
1)
15