Vega VEGABAR 87 Operating Instructions Manual page 60

11 Supplement
Connection cable transmitter - external housing, electrical data
Ʋ Wire cross-section
Ʋ Wire resistance
Electromechanical data - version suspension cable IP68 (25 bar)
Suspension cable, mechanical data
Ʋ Configuration
Ʋ Standard length
Ʋ Max. length
Ʋ Min. bending radius (at 25 °C/77 °F)
Ʋ Diameter
Ʋ Colour, suspension cable PE
Ʋ Colour, suspension cable PUR/FEP
Suspension cable, electrical data
Ʋ Wire cross-section
Ʋ Wire resistance R
Additional output parameter - Electronics temperature
Range
Resolution
Deviation
Output of the temperature values
Ʋ Indication
Ʋ Output
Voltage supply
Operating voltage U
Operating voltage U
switched on
Reverse voltage protection
Permissible residual ripple
Ʋ for U 12 V DC (9.6 V < U
N
Ʋ for U 24 V DC (18 V < U
N
Load resistor
Ʋ Calculation
Ʋ Example - with U
B
Potential connections and electrical separating measures in the instrument
Electronics
Reference voltage
10)
Galvanic separation between electronics and metal housing parts
10)
60
´
B
with lighting
B
< 14 V)
B
< 35 V)
B
= 24 V DC
0.5 mm² (AWG 20)
0.037 Ω/m (0.012 Ω/ft)
Wires, strain relief, breather capillaries, screen braiding,
metal foil, mantle
5 m (16.40 ft)
250 m (820.2 ft)
25 mm (0.985 in)
approx. 8 mm (0.315 in)
Black, blue
Blue
0.5 mm² (AWG 20)
0.037 Ω/m (0.012 Ω/ft)
-40 ... +85 °C (-40 ... +185 °F)
< 0.1 K
±3 K
Via the display and adjustment module
Via the respective output signal
9.6 ... 35 V DC
16 ... 35 V DC
Integrated
≤ 0.7 V (16 ... 400 Hz)
eff
≤ 1.0 V (16 ... 400 Hz)
eff
(U - U )/0.022 A
B min
(24 V - 9.6 V)/0.022 A = 655 Ω
Not non-floating
500 V AC
VEGABAR 87 • 4 ... 20 mA