VEGA VEGAPULS 68 (≥ 2.0.0 - ≥ 4.0.0) Profibus PA - Manual (Page 65)

65
11 Supplement
VEGAPULS 68 • Profibus PA
36537-EN-130205
Input variable
Measured variable
The measured quantity is the distance between process
fitting of the sensor and product surface. The reference
plane is the seal surface on the hexagon or the lower
side of the flange.
3
4
2
1
Fig. 53: Data of the input variable
1 Reference plane
2 Measured variable, max. measuring range
3 Antenna length
4 Useful measuring range
Max. measuring range 75 m (246.1 ft)
Recommended meas. range depending on the antenna diameter
Ʋ ø 40 mm (1.575 in) up to 15 m (49.21 ft)
Ʋ ø 48 mm (1.89 in) up to 20 m (65.62 ft)
Ʋ ø 75 mm (2.953 in) up to 40 m (131.2 ft)
Ʋ ø 95 mm (3.74 in) up to 50 m (164 ft)
Ʋ Parabolic antenna up to 75 m (246.1 ft)
Output variable
Output signal
digital output signal, format according to IEEE-754
Sensor address 126 (default setting)
Damping (63 % of the input variable) 0 … 999 s, adjustable
Profibus PA profile 3.02
Number of FBs with AI (function blocks
with analogue input)
3
Default values
Ʋ 1. FB PV
Ʋ 2. FB SV 1
Ʋ 3. FB SV 2
Current value
Ʋ Non-Ex and Ex ia instrument 10 mA, ±0.5 mA