KROHNE IFC 090 Converter EN - Manual (Page 10)

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Abbreviations and explanatory notes
used in the following tables, diagrams and connection diagrams
A Signal cable A (type DS), with double shielding, see diagram for max. length
C Field current cable C, with single shielding,
type and length see Table
D High-temperature silicone cable, 3 × 1.5 mm 2 (14 AWG) Cu, with single shielding,
max. length 5 m (16 ft)
E High-temperature silicone cable, 2 × 1.5 mm 2 (14 AWG) Cu, max. length 5 m (16 ft)
L Cable length
κκ
Electrical conductivity of the process liquid
ZD Intermediate connection box required in connection with cables D and E for primary heads
ALTOFLUX IFS 4000 F, PROFIFLUX IFS 5000 F and VARIFLUX IFS 6000 F in cases where
process temperatures exceed 150 °C (302 °F)
Recommended length of signal cable
for magnetic field frequency
≤
1/6 × power frequency
1.3.4 Cable lengths (max. distance between signal converter and primary head)
Primary head
ECOFLUX IFS 1000 F
AQUAFLUX F
ALTOFLUX IFS 4000 F
PROFIFLUX IFS 5000 F
VARIFLUX IFS 6000 F
Meter size
DN mm
0 10 .0 - 00 15
0 25 .5 - 0 150
0 10 .0 - 1000
0 10 .0 - 0 150
200 .0 - 1000
00 2.5 - 00 15
0 25 .0 - 0 100
00 2.5 - 00 15
0 25 .5 - 00 80
Nennweite
inch
3 /
8
- 1 /
2
1 - 0 6
3 /
8
- 40
3 /
8
- 0 6
8 - 40
1 /
10
- 1 /
2
1 - 0 4
1 /
10
- 1 /
2
1 - 0 3
Signal line
Kurve
A4
A3
A1
A2
A1
A4
A2
A4
A2
Field current cable C: max. length and min. crosssection
Length Type of cable, single shielding
00 0 - 150 m 000 5 - 0 500 ft 2
×
0,75 mm 2 Cu / 2 × 18 AWG
150 - 300 m 0 500 - 1000 ft 2
×
1,50 mm 2 Cu / 2 × 14 AWG
300 - 600 m 1000 - 1900 ft 2
×
2,50 mm 2 Cu / 2 × 12 AWG