KROHNE ALTOFLUX IFM x080 K ATEX EN - Manual (Page 13)

ALTOFLUX IFM x080 K-EEx and ALTOFLUX IFM x080 K / i-EEx 13
2.3
Connection diagram
Flow tube
Hazardous locations
of Zone 1 and 2
E
IFS 4000…-EEx
Primary Head
Intrinsically safe electrode circuits
Increased safe field coil circuit
Coil
B1 B
⊥
B2 I+ I L N
BINARY CURRENT MAINS
OUTPUTS OUTPUT SUPPLY
TERMINAL COMPARTMENT
Standard "EEx e" (Optional "EEx d")
ELECTRONICS COMPARTMENT (always "EEx d")
electrode circuits field coil circuits
IFC 090-EEx
Signal Converter
PE
FE
L N PE 100-230 Vac
SIGNAL IN-/OUTPUTS L ½ L ½ FE 24 Vac/dc
EQUIPOTENTIAL BONDING CONDUCTOR
≥ 4 mm
2
(OPTIONAL)
Flameproof (EEx d) cable
feed-through
Field coil wires
B A
E
Coil
Electrode cables
IFC 090i-EEx
Signal Converter
x x x x 1L½ 0L½ PE
FE
INTRINSICALLY SAFE
SIGNAL IN-/OUTPUTS L N PE 100-230 Vac
(i.e. MODIS) L ½ L½ FE 24 Vac/dc
Separation plate
Unused terminal
OPTION: MODIS
Flameproof (EEx d)
terminal feed-through
B A