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KROHNE BM 70A EEx EN User Manual

Page 23

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23

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07/2010 - 4000662402 MA BM70x-Ex-AD-R02-en

Current output active, HART (non-intrinsically safe)

Switching output passive (non-intrinsically safe)
Digital input passive (non-intrinsically safe)

32 31

-

+

42 41

current
output

Switching output

max. 100mA/30V DCAC

Digital
input

82 81

-

+

-

+

5...28V=

4-20mA

max.500

_________________________________________________________________________________

Current output active, HART (non-intrinsically safe)

BM 70.-Ex

BM 700-Ex

32 31

current
output

-

+

unassigned
terminals

-

+

4-20mA

max.250

32 31

-

+

current
output

-

+

4-20mA

max.350

_________________________________________________________________________________

RS 485 interface (non-intrinsically safe)

B

B

A

A

RS 485
input

RS 485
output

32 31

current
output

-

+

-

+

4-20mA

max.250

_________________________________________________________________________________

Current output HART passive (intrinsically safe)

32 31

current
output

-

Ex-i supply

+

+

unit

U max.= 30V

4-20mA

U min.

= 8V

I

I