KROHNE BM 100A ATEX EN User Manual
Page 11
Section 3 - Electrical installation
10/2001
BM 100 A ATEX
11
3.5
Options, current output
Options 1 to 7 apply to devices with intrinsically safe outputs (BM 100 A i) and to devices with
non-intrinsically safe outputs (BM 100 A). Options 8 and 9 apply to devices with non-intrinsically
safe outputs.
Outputs with Intrinsic Safety type of protection may only be connected to certified feed
devices.
I/O functions of the BM 100A (i)
Op-
tion
I/O function
Power
terminals
EEx ‘e‘
BM 100 A
EEx ‘ia‘
BM 100 Ai
Electrical data
1
Current output HART® passive
-5; +6
x
x
2
Current output HART
+current output
passive
passive
-5; +6
-4; +4.1
x
x
3
Current output HART
active
-5; +4.1*
x
x
4
PROFIBUS-PA
passive
4; 4.1
x
x
5
PROFIBUS-PA
+current output
passive
passive
4; 4.1
-5; +6
x
x
6
FF
passive
4; 4.1
x
x
7
FF + current output
passive
passive
4; 4.1
-5; +6
x
x
8
Interface RS485
active
B4; A4.1
x
/
9
Interface RS485
+current output
active
passive
B4; A4.1
-5; +6
x
/
see Section 3.3
* power terminals 6 and 4 must be shorted