KROHNE IFC 090F Converter EEx-ATEX EN - Manual (Page 19)

ALTOFLUX IFC 090 F-EEx and ALTOFLUX IFC 090 F / i-EEx 19
Connection diagrams 9 to 12 of the intrinsically safe signal in-/outputs
9 Control input C
passive
10 HART active
Versions: Ex-i1, Ex-i4, Ex-i6, Ex-i8 Version: Ex-i3
U
ext
= 7 - 30 V DC
Connection to terminals B1/B1 ⊥ and/or
B2/B2 ⊥
IFC 090 i-EEx IFC 090 i-EEx
hazardous area hazardous area
safe area or safe area or
hazardous area ( * ) hazardous area ( * )
to HART
communicator
or SMART converter
11 HART passive 12 Fieldbus
Versions: Ex-i1, Ex-i2, Ex-i7 Versions: Ex-i2, Ex-i4, Ex-i7, Ex-i8
IFC 090 i-EEx IFC 090 i-EEx
to next HART device to next Fieldbus
device
or bus terminator
hazardous area
safe area or hazardous area
hazardous area ( * ) safe area or
hazardous area ( * )
Bus supply device
to HART
to Bus master
communicator
or SMART converter Bus supply device
Bus supply device
(
* ) Important note: Only if the measuring devices are also explosion protected !