KROHNE ALTOFLUX 2W IFM 4042K EEx-ATEX EN - Manual (Page 8)

8 ALTOFLUX 2W IFM 4042 K - EEx
2.4 Connection diagram
flow tube
Hazardous locations
of Zone 1 and 2
E
IFS 4002…-EEx
primary head
coil
I ⊥ I B1 B⊥ B2 1L= 0L=
current binary power
output outputs booster
terminal compartment
electronic compartment (always "EEx d")
electrode circuits field coil circuits
IFC 040-EEx
signal converter
PE
FE
signal outputs 1L= 0L= PE
equipotenti
a
l bondin
g
cond
uc
tor
≥ 4 m
m
2
(opti
onal)
B (optional) A
E
coil
flameproof (EEx d)
terminal feed-through