VEGA VEGABAR 82 4 … 20 mA_HART - Operating Instructions - Manual (Page 68)

68
11 Supplement
VEGABAR 82 • 4 … 20 mA/HART
45028-EN-131010
Nominal range Overload capacity, max.
pressure
Overload capacity, min. pres-
sure
0 … 5 psi 435 psi 0 psi
0 … 15 psi 510 psi 0 psi
0 … 30 psi 725 psi 0 psi
0 … 150 psi 1300 psi 0 psi
0 … 300 psi 1900 psi 0 psi
0 … 900 psi 2900 psi 0 psi
0 … +1450 psig
(only for measuring cell 17.5 mm) 2900 psig 0 psi
Output variable
For details on the operating voltage see chapter "Voltage supply"
Output signal
4 … 20 mA/HART
Range of the output signal 3.8 … 20.5 mA/HART (default setting)
Fulfilled HART specification 7.3
Signal resolution 0.3 µA
Failure signal current output (adjustable) ≥ 21 mA, ≤ 3.6 mA, last valid measured value
Max. output current
21.5 mA
Starting current ≤ 10 mA for 5 ms after switching on, ≤ 3.6 mA
Load Load resistor, see chapter "Voltage supply"
Damping (63 % of the input variable),
adjustable
0 … 999 s
HART output values according to HART 7 (default setting) 2)
Ʋ First HART value (PV) Linear percentage value
Ʋ Second HART value (SV) Physical unit of the application
Ʋ Third HART value (TV) Measuring cell temperature
Ʋ Fourth HART value (QV) Electronics temperature
Output variable - Second current output
For details on the operating voltage see chapter "Voltage supply"
Output signal
4 … 20 mA (passive)
Range of the output signal 3.8 … 20.5 mA (default setting)
Signal resolution 0.3 µA
Failure signal current output (adjustable) Last valid measured value, ≥ 21 mA, ≤ 3.6 mA
Max. output current
21.5 mA
Starting current ≤ 10 mA for 5 ms after switching on, ≤ 3.6 mA
Load Load resistor, see chapter "Voltage supply"
Damping (63 % of the input variable),
adjustable
0 … 999 s
2) The output values can be assigned individually