VEGA VEGACAL 67 Foundation Fieldbus - Manual (Page 37)

37
10 Supplement
VEGACAL 67 • Foundation Fieldbus
31760-EN-130917
Supporting tube length L1 0.2 … 5.6 m (0.656 … 18.37 ft)
Max. lateral load 10 Nm (7.4 lbf ft)
Max. tensile load (cable)
Ʋ Ceramic partly insulated: ø 8 mm
(0.315 in)
10 KN (2248 lbf)
Max. torque (process fitting - thread) 80 Nm (58 lbf ft)
Output variable
Output
Ʋ Signal digital output signal, Foundation Fieldbus protocol
Ʋ Physical layer according to IEC 61158-2
Channel Numbers
Ʋ Channel 1 Primary value
Ʋ Channel 2 Secondary value 1
Ʋ Channel 3 Secondary value 2
Transmission rate 31.25 Kbit/s
Current value 10 mA, ±0.5 mA
Damping (63 % of the input variable) 0 … 999 s, adjustable
Input variable
Measured variable
level of non-conductive liquids and solids
Measuring principle phase-selective admittance processing (PSA)
Measuring range 0 … 3000 pF
Measuring frequency 270 kHz
Accuracy (according to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
Ʋ Temperature +18 … +30 °C (+64 … +86 °F)
Ʋ Relative humidity 45 … 75 %
Ʋ Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Temperature error
Ʋ < 120 pF < 1 pF
Ʋ > 120 pF 1 % of the current measured value
Linearity error < 0.25 % of the complete measuring range
Ambient conditions
Ambient, storage and transport tempera-
ture
-40 … +80 °C (-40 … +176 °F)
Process conditions
Process pressure
-1 … 16 bar/-100 … 1600 kPa (-14.5 … 232 psig)
Process temperature (thread or flange temperature)
Ʋ Standard -50 … +300 °C (-58 … +572 °F)