VEGA VEGAMET 391 4 … 20 mA_HART - Manual (Page 55)

55
11 Supplement
VEGAMET 391 • 4 … 20 mA/HART
36032-EN-130701
Ethernet interface (optional)
Quantity
1 x, cannot be combined with RS232
Data transmission 10/100 MBit
Plug connection RJ45
Max. cable length 100 m (3937 in)
RS232 interface (optional)
Quantity
1 x, cannot be combined with Ethernet
Plug connection RJ45 (modem connection cable on 9-pole D-SUB in the
scope of delivery)
Max. cable length 15 m (590 in)
Clock (only with interface option)
Accuracy/Deviation
Ʋ typical 20 ppm (correspond to 10.5 min./year)
Ʋ Max. 63 ppm (correspond to 33 min./year)
Power reserve of the lithium battery (Li/MnO2)
Ʋ typical 10 years at 20 °C
Ʋ Min. 4 years
Indications
Measured value indication
Ʋ graphic-capable LC display
(65 x 32 mm), lighted
digital and quasianalogue indication
Ʋ Max. indicating range -99999 … 99999
LED displays
Ʋ Status operating voltage 1 x LED green
Ʋ Status fault signal 1 x LED red
Ʋ Status operating relay 1 … 6 6 x LED yellow
Adjustment
Adjustment elements
4 x keys for menu adjustment
PC adjustment PACTware with respective DTM
Ambient conditions
Ambient temperature
Ʋ Instrument in general -20 … +60 °C (-4 … +140 °F)
Ʋ USB interface 0 … +60 °C (32 … +140 °F)
Storage and transport temperature -40 … +80 °C (-40 … +176 °F)
Electrical protective measures
Protection rating
Ʋ Front IP 65
Ʋ Instrument IP 20
Overvoltage category II