KROHNE IFC 090F Converter EEx-ATEX EN - Manual (Page 18)

ALTOFLUX IFC 090 F-EEx and ALTOFLUX IFC 090 F / i-EEx 18
Connection diagrams 5 to 8 of the intrinsically safe signal in-/outputs
5 Pulse output P
passive
6 Status output S
active
Versions: Ex-i1, Ex-i4, Ex-i6, Ex-i8 Version: Ex-i5
U
ext
= 6 - 30 V U
int
= 20 V DC
I
max
≤ 110 mA R
int
= 260 Ω
for active EC U
L
= 20×R
L
/ (260+R
L
)
IFC 090 i-EEx IFC 090 i-EEx
hazardous area hazardous area
safe area or safe area or
hazardous area ( * ) hazardous area ( * )
active counter
7 Status output S
passive
8 Control input C
active
Versions: Ex-i1, Ex-i4, Ex-i6, Ex-i8 Version: Ex-i5
U
ext
= 6 - 30 V U
int
= 20 V DC
I
max
≤ 110 mA I
contact
≤ 6 mA
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 ( * )
( * ) Important note: Only if the measuring devices are also explosion protected !