MAGFLO
â
S
p
e
c
if
ic
a
ti
o
n
s
16
Coil cable
Electrode cable
Basic data
No. of conductors
2
3
Min. sqr. area
0.5 mm
2
/20 gage
0.2 mm
2
/22 gage
Shield
Yes
Yes
Max. capacitance
N.A.
107 pF/ft.
Max. cable loop
Media temperature:
< 210
°
F
40
W
N.A.
resistance
< 390
°
F
6
W
N.A.
2. Specifications
2.8.1
Sensor cables and
conductivity of medium
Note
·
For detection of empty pipe the min. conductivity must always be
³
20
m
S/cm. and the max.
length of electrode cable when remote mounted is 150 ft. Special shielded cables must be used.
·
For remote mounting in Ex applications special cable cannot be used, empty pipe cannot be
detected and the electrical conductivity must be
³
30
m
S/cm.
·
For remote mounted CT installations the max. cable length is 600 ft.
2.8.2
Minimum accept data for
cable
2.9
Cable specification
(Supplied by Danfoss)
Standard cable
Special cable
(electrode/coil)
(electrode)
Basic data
No. of conductors
3
3
Sqr. area
1.5 mm
2
/18 gage
0.25 mm
2
/22 gage
Shield
Yes
Double
Color code
Brown, blue, black
Brown, blue, black
Outside color
Grey
Grey
Ext. diameter
0.3"
0.32"
Conductor
Flexible CU
Flexible CU
Isolation material
PVC
PVC
Amb. temperature
·
Flexible installation
-
23 to 160
°
F
-
23 to 160
°
F
·
Non flexible installation
-
20 to 160
°
F
-
20 to 160
°
F
Cable parameter
Capatance
49.24 pF/ft.
N.A.
Inductance
0.178
m
H/ft.
N.A.
L/R
43.83
m
H/
W
N.A.
2.9
HART
â
communication
add-on module
Application
MAG 6000, MAG 6000 CT
Optional available as factory mounted in MAG 5000
Communication standard
Bell 202 frequency shift keying (f.s.k.) standard
Communication modes
·
Single loop mode
·
Multi-drop mode, 15 slave devices
Communicator
Rosemount Hand-held communicator, type 275
Cable specification
Communication mode
/ Single loop
Q [mm
2
] CU
³
0.2 mm
2
/AWG 24
Shield
Yes (Overall shield)
Loop resistance
Min.
230
W
Max.
800
W
Cable capacity
£
122 pF/ft.
Cable length
5000 ft.
Twisted pair
Yes
HART
â
is a registered trademark of the HART Communication Foundation.
Conductivity of
Integral mount installation:
medium
Liquids with an electrical conductivity
³
5
m
S/cm.
For a conductivity between 5 and 10
m
S/cm, the repeatability may degrade to
±
0.5% of actual flow.
Remote mount
installation:
Standard electrode cable
Special electrode cable