Vega VEGAWELL 52 Operating Instructions Manual page 34

10 Supplement
Electromechanical data
Suspension cable
Ʋ Configuration
Ʋ Wire cross-section
Ʋ Wire resistance
Ʋ Tensile strength
Ʋ Max. length
Ʋ Min. bending radius
Ʋ Diameter approx.
Ʋ Cable extraction force
Ʋ colour (non-Ex/Ex) - PE
Ʋ colour (non-Ex/Ex) - PUR, FEP
Cable entry housing
Screw terminals for cable cross-section
up to
Voltage supply
Operating voltage U
Ʋ Non-Ex instrument
Ʋ Ex ia instrument
Permissible residual ripple
Ʋ < 100 Hz
Ʋ 100 Hz ... 10 kHz
Reverse voltage protection
Load resistor
Ʋ Calculation
Ʋ Example - Non-Ex instrument with
U = 24 V DC
B
Integrated overvoltage protection
Discharge current (8/20 µs)
Min. response time
Potential connections in the instrument
Electronics
Galvanic connection between
With VEGADIS 12: 200 m (656 ft).
8)
34
B
four wires, one suspension wire, one breather capillary,
screen braiding, foil, mantle
0.5 mm²
≤ 0.036 Ω/m
≥ 1200 N (270 pound force)
1000 m (3280 ft)
8)
25 mm (at 25 °C/77 °F)
8 mm (0.315 in)
≥ 650 N (146.1 lbf)
black/blue
blue/blue
1 x cable gland M20 x 1.5 (cable: ø 5 ... 9 mm), 1 x blind
plug M20 x 1.5
1.5 mm² (AWG 16)
9.6 ... 35 V DC
9.6 ... 30 V DC
U < 1 V
ss
U < 10 mV
ss
Available
(U - U )/0.022 A
B min
(24 V - 9.6 V)/0.022 A = 655 Ω
5 kA
< 25 ns
Not non-floating
Transmitter, screen of the suspension cable as well as
metallich process fitting and ground terminal on the
housing
VEGAWELL 52 • 4 ... 20 mA/HART