Ib b, Id d, Db b – KROHNE BM 70A EEx EN User Manual
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07/2010 - 4000662402 MA BM70x-Ex-AD-R02-en
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Current output HART passive (intrinsically safe)
Switching output passive (intrinsically safe)
current
output
Switching output
max. 110mA/30V
41
42
-
+
+
unit
U max.= 30V
4-20mA
U min.
= 8V
Ex-i supply
32 31
I
I
B
B
_________________________________________________________________________________
PROFIBUS-PA fieldbus or Foundation Fieldbus (FF) (intrinsically safe)
32 31
bus
connection
D
D
_________________________________________________________________________________
PROFIBUS-PA / FF with current output (intrinsically safe)
42
-
Ex-i supply
+
+
unit
U max.= 30V
current
output
4-20mA
U min.
= 8V
41 32 31
bus
connection
I
I
D
D
_________________________________________________________________________________
PROFIBUS-PA /FF with switching output (intrinsically safe)
32 31
switching output
max. 110mA/30V
42 41
bus
connection
D
D
B
B