Endress+Hauser nivotester FTL 320 Sicherheitshinweise Seite 8

en XA 048F-B
Explosion-hazardous area
Zone 0
Zone 20
Certified level
limit sensor
U
0
I
0
2
Non-hazardous area
Jumper
MAX
13 12
MIN / MAX selection
(intrinsically safe)
Power supply
DC L+ L–
AC L1 N
1 2
Power supply Um
X X
Not used
Relay
PE
3 4
External load
Nivotester
X 8 7
+ –
Sensor power / input
circuit (intrinsically safe)
5 6
Endress+Hauser