VEGA FIBERTRAC 31 4 … 20 mA_HART - four-wire - Manual (Page 69)

69
11 Supplement
FIBERTRAC 31 • 4 … 20 mA/HART - four-wire
40446-EN-131119
Output variable - Level measurement
Output signals
4 … 20 mA/HART - active; 4 … 20 mA/HART - passive
Range of the output signal 3.8 … 20.5 mA/HART
Terminal voltage passive 9 … 30 V DC
Shortcircuit protection Available
Potential separation Available
Signal resolution 0.3 µA
Failure signal current output (adjustable) 22 mA, < 3.6 mA
Max. output current
22 mA
Starting current ≤ 3.6 mA
Load
Ʋ 4 … 20 mA/HART - active < 500 Ω
Ʋ 4 … 20 mA/HART - intrinsically safe < 300 Ω
Damping (63 % of the input variable) 1 … 1200 s, adjustable
HART output values
Ʋ PV (Primary Value) Level
Ʋ SV (Secondary Value) Electronics temperature
Output variable - Level detection
Output signals
8/16 mA
Terminal voltage passive 9 … 30 V DC
Shortcircuit protection Available
Potential separation Available
Failure signal current output (adjustable) 22 mA, < 3.6 mA
Max. output current
22 mA
Starting current ≤ 3.6 mA
Load
Ʋ 4 … 20 mA/HART - active < 500 Ω
Ʋ 4 … 20 mA/HART - intrinsically safe < 300 Ω
Damping (63 % of the input variable) Automatically
HART output values
Ʋ PV (Primary Value) Switching status
Ʋ SV (Secondary Value) Electronics temperature
Relay output
Output
Relay output (SPDT), floating spdt
Switching voltage
Ʋ Min. 10 mV
Ʋ Max. 253 V AC, 253 V DC
Switching current
Ʋ Min. 10 µA