VEGA VEGATRENN 149A Ex - Manual (Page 19)

19
9 Supplement
VEGATRENN 149A Ex • Ex-separator for 4 … 20 mA/HART
24816-01-131025
9 Supplement
9.1 Technical data
General data
Series
For mounting on carrier rail 35 x 7.5 according to DIN
EN 50022/60715
Weight 150 g (0.33 lbs)
Housing material Polycarbonate/ABS, UL94V-0
Connection terminals
Ʋ Type of terminal Screw terminal
Ʋ Max. wire cross-section 1.5 mm² (AWG 16)
HART communication sockets on the instrument front (ø 2 mm)
Voltage supply
Operating voltage
20 … 253 V AC/DC, 50/60 Hz
Max. power consumption 2.4 W
Specified overload protection (in the
range of 20 … 253 V AC)
≤ 10 A
Sensor circuit
Number of sensors
1 x 4 … 20 mA/HART (5 x HART-Multidrop)
Input type Active (sensor power supply by VEGATRENN 149A Ex)
Terminal voltage 22.5 … 16.7 V at 4 … 20 mA
Off-load voltage 26 V ±5 %
Shortcircuit current ≤ 32 mA
Internal resistance 328 Ω
Processing circuit
Quantity
1 x 4 … 20 mA/HART
Type of output active
Off-load voltage 24 V ±10 %
Max. load (load resistance)
Ʋ without communication resistance 0 … 700 Ω
Ʋ with communication resistance 0 … 450 Ω
Deviation
Reference conditions
Calibration temperature 25 °C (77 °F)
Linearity ≤ 0.15 %
Influence of the load ≤ 0.1 %
Influence of the ambient temperature
Ʋ in the range 0 … +50 °C
(+32 … +122 °F)
≤ 0.1 %/10 K