KROHNE BM 70A EEx EN User Manual
Page 22
07/2010 - 4000662402 MA BM70x-Ex-AD-R02-en
22
5.2.2.2.
Terminal assignment - I/O functions
Non-intrinsically safe I/O functions and intrinsically safe I/O functions are available for the BM 70..-Ex.
The BM 700-Ex has only non-intrinsically safe I/O functions:
Non-intrinsically safe I/O functions BM 70.-Ex und BM 700-Ex
available for variant
Electrical data
I/O function
(1)
Fig.
BM
70.
BM
700
Digital input
+ switching output
+ current output HART
passive
passive
active
1
X
-
Current output
active
2
X
X
Interface RS 485
+ current output
active
3
X
-
see Section Fehler!
Verweisquelle konnte
nicht gefunden werden.
(1)
Only for connection to circuits with functional extra-low voltage with safety separation (PELV)
Intrinsically safe I/O function BM 70.i-Ex
I/O function
Fig.
Variant
Maximum safety data
Current output HART
passive 4
Current output HART
+ switching output
passive
passive
5
Fieldbus
PROFIBUS-PA
passive 6
Fieldbus
Fieldbus Foundation
passive 6
Fieldbus
PROFIBUS-PA /
+ current output HART
passive
passive
7
Fieldbus
Fieldbus Foundation
+ current output
passive
passive
7
Fieldbus
PROFIBUS-PA
+ switching output
passive
passive
8
Fieldbus
Fieldbus Foundation
+ switching output
passive
passive
8
BM 70Ai
BM 70Pi
see Section Fehler!
Verweisquelle konnte
nicht gefunden werden.