VEGA VEGASON 61 Foundation Fieldbus - Manual (Page 41)

41
10 Supplement
VEGASON 61 • Foundation Fieldbus
28790-EN-130417
10 Supplement
10.1 Technical data
General data
Materials, wetted parts
Ʋ Process fitting, transducer PVDF
Ʋ Seal between transducer and process
fitting
EPDM, FKM (Viton)
Materials, non-wetted parts
Ʋ Housing Plastic PBT (polyester), Alu die-casting powder-coated,
316L
Ʋ Seal between housing and housing
cover
NBR (stainless steel housing), silicone (Alu/plastic hous-
ing)
Ʋ Inspection window in housing cover Polycarbonate
Ʋ Ground terminal 316Ti/316L
Weight 1.8 … 4 kg (4 … 8.8 lbs), depending on the process
fitting and housing
Max. torque mounting boss 25 Nm
Output variable
Output
Ʋ Signal digital output signal, Foundation Fieldbus protocol
Ʋ Physical layer according to IEC 61158-2
Cycle time min. 1 s (dependent on the parameter setting)
Ʋ Damping (63 % of the input variable) 0 … 999 s, adjustable
Ʋ Met NAMUR recommendation NE 43
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
Resolution, digital > 1 mm (0.039 in)
Input variable
Measured variable
distance between lower edge of the transducer and
product surface
Measuring range
Ʋ Liquids up to 5 m (16.4 ft)
Ʋ Bulk solids up to 2 m (6.562 ft)
Dead band 0.25 m (0.82 ft)
Reference conditions to measuring accuracy (according to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1