Vega POINTRAC 31 Operating Instructions Manual page 45

Fig. 18: Data of the input variable
L Measuring range (range in which the switching point must lie)
Measuring range
Analogue input
Ʋ Input type
Ʋ Internal load
Switching input
Ʋ Type of input - Open Collector
Ʋ Type of input - Relay contact
Output variable
Output signals
Terminal voltage passive
Shortcircuit protection
Potential separation
Failure signal current output (adjustable) 22 mA, < 3.6 mA
Max. output current
Starting current
Load
Ʋ 8/16 mA/HART - active
Ʋ 8/16 mA/HART - intrinsically safe
Damping (63 % of the input variable)
HART output values
Ʋ PV (Primary Value)
Ʋ SV (Secondary Value)
Relay output
Output
Switching voltage
Ʋ Min.
Ʋ Max.
Switching current
POINTRAC 31 • 8/16 mA/HART - four-wire
152 mm (6 in) or 304 mm (12 in)
4 ... 20 mA, passive
250 Ω
10 mA
100 mA
8/16 mA/HART - active; 8/16 mA/HART - Multidrop
9 ... 30 V DC
Available
Available
22 mA
≤ 3.6 mA
< 500 Ω
< 300 Ω
Is calculated automatically by the instrument
Switching status
Electronics temperature
Relay output (SPDT), floating spdt
10 mV
253 V AC, 253 V DC
11 Supplement
45