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10 Supplement
VEGAPULS 66 • 4 … 20 mA/HART - two-wire
28438-EN-170927
10 Supplement
10.1 Technical data
General data
316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting
316L, Alloy C22 (2.4602) plated
Ʋ Antenna
316L, Alloy C22 (2.4602)
Ʋ Antenna impedance cone
PTFE (TFM 1600), ceramic (99.7 % AL
2
O
3
)
Ʋ Seal, antenna system
FKM (A+P GLT FPM 70.16-06), FFKM (Kalrez 6375),
silicone FEP coated (A+P FEP-O-Seal) Viton, EPDM
(FDA approved), graphite
Materials, non-wetted parts
Ʋ Housing
Plastic PBT (polyester), Alu die-casting, powder-coated,
316L
Ʋ Seal between housing and housing lid Silicone SI 850 R, NBR silicone-free
Ʋ Inspection window in housing cover
for PLICSCOM
Polycarbonate (UL-746-C listed)
Ʋ Ground terminal
316Ti/316L
Ʋ Cable gland
PA, stainless steel, brass
Ʋ Sealing, cable gland
NBR
Ʋ Blind plug, cable gland
PA
Conductive connection
Between ground terminal, process fitting and antenna
Length antenna with extension max.
5.85 m (19.19 ft)
Weight, depending on flange size, pres-
sure stage and housing material
6.3 … 136 kg (13.89 … 299.8 lbs)
Torques
Max. torques for NPT cable glands and Conduit tubes
Ʋ Plastic housing
10 Nm (7.376 lbf ft)
Ʋ Aluminium/Stainless steel housing
50 Nm (36.88 lbf ft)
Output variable
Output signal
4 … 20 mA/HART
Cycle time
min. 1 s (dependent on the parameter setting)
Signal resolution
1.6 µA
Fault signal, current output (adjustable) mA value unchanged 20.5 mA, 22 mA, < 3.6 mA (adjust-
able)
Max. output current
22 mA
Load
see load diagram under Power supply
Damping (63 % of the input variable)
0 … 999 s, adjustable
Met NAMUR recommendation
NE 43