Hazardous location installation ā
[41]
Figure 7-2: Connection diagram ā additional diode
A.
Sensor, such as EZ 105x or EZ 108x.
B.
EZ 1000 Converter
C.
Safety barrier, supply circuit (Stahl 9001/00-280/085/101)
D.
Safety barrier, measuring circuit (Stahl 9001/00-280/020/101)
E.
Two level terminal with diode. The diode is only necessary at supply voltages higher than -26 V.
F.
AMS 6500 card for eddy current sensors, such as A6110, A6210, or A6312.
G.
Potential equalizer
H.
Hazardous area
I.
Non-hazardous area