VEGA VEGAWELL 51 4 … 20 mA - Manual (Page 29)

Voltage supply
S upply voltage
-
N on-Ex instrument 9.6 … 36 V DC
-
EE
x-ia instrument 9.6 … 29 V DC
P
ermissible residual ripple
-
< 100 H z U
ss
< 1 V
-
100 H z … 10 kHz U
ss
< 10 mV
L
oad see diagram
1200
880
600
380
12 18 16 9,6 14 20 22 24 26 28 29 30 32 34 36
Ω
V
1
4
2
3
Fig. 8: Voltage diagram
1
meaningless
2 Voltage limit Ex instrument
3 Voltage limit non-Ex instrument
3 Supply voltage
Integrated overvoltage protection
N ominal leakage current (8/20 µs) 5 kA
M
in. response time < 25 ns
Electrical protective measures
P rotection
-
T ransmitter IP 68 (25 bar)
O
vervoltage category
III
P rotection class III
S upplement
VEGAWELL 51 • 4 … 20 mA 29
32465
-
EN
-080604