VEGA D81 Hydrostatic pressure transmitter - Manual (Page 11)

Pressure transmitter D81 11
Product description
Supply and signal circuit (analogue transmission, 4 … 20 mA),
additional data for electronics version L
Supply voltage for pressure transmitters
in conjunction with VEGADIS 12
- without display
12 … 36 V DC
- with display 17 … 36 V DC
Max. input current 150 mA
Current signal range 3.5 … 22 mA
Max. permissible load see load diagram:
Load diagram with display
300
500
700
18 24 30 36
100
Load in
Ω
Supply voltage
in V
Supply and signal circuit on VEGA signal conditioning instruments (digital signal
transmission VBUS), additional data for electronics version B
Supply voltage 25 … 36 V DC, from VEGAMET (VBUS) or
from VEGALOG 571 with EV input card
Data transmission digital (VBUS)
Connection cable 2-wire screened
Cable length max. 1000 m
Integrated overvoltage protection (option)
Nominal response DC voltage
- protective diode
40 V
- gas separator 650 V
Nominal leakage current
- gas separator
20 kA
Connection cables
Cable entry
- housing
2 x M20x1.5 (for cable ø 5…9mm or 9…12mm)
- external connection housing 2 x M20x1.5 (for cable ø 5…9mm or 9…12mm)
Screw terminals
- sensor
for wire cross-sections of up to 2.5 mm 2
- external connection housing for wire cross-sections of up to 2.5 mm 2