KROHNE IFC 090F Converter EEx-ATEX EN - Manual (Page 10)

ALTOFLUX IFC 090 F-EEx and ALTOFLUX IFC 090 F / i-EEx 10
Connection diagram 2: Use of heat-resistant cables
Hazardous locations
of Zone 1 and 2
E
Q
UI
P
O
TE
NTI
A
L B
O
NDI
N
G
CO
NDUC
T
O
R
≥
4
m
m
2
(O
P
T
IO
N
A
L)
El
ec
tr
od
e cab
les -
w
hi
te
/pi
nk
(P
T
FE
in
su
la
te
d
sh
ie
ld
ed
c
op
pe
r)
Field coil wires - green/blue
(PTFE insulated copper)
Flow tube
E
IFS x000 F-EEx
Primary Head type
Coil
E
Coil
E = electrode
3 2 1 7 8
ELECTRONICS COMPARTMENT (always "EEx d")
Intrinsical safe ("ib") Increased safe ("e")
electrode circuits field coil circuits
(No. "3", "2", "1") (No. "7", "8")
Signal Converter
IFC 090 F/…-EEx
Flameproof (EEx d) cable
feed-through LC-2/EEx
B C
2x fuse
160mA
3 2 1 7 8
3 2 1 7 8
E D
ZD-EEx
intermediate
junction box