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9 Supplement
VEGATRENN 149A Ex • Ex-separator for 4 … 20 mA/HART
24816-01-151103
9 Supplement
9.1 Technical data
General data
Series
Module unit for mounting on carrier rails 35 x 7.5 acc. to
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 (5x 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 %
Short-circuit 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
