VEGA VEGAPULS 61 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA__HART two-wire User Manual
Page 62
Voltage supply - Version with increased sensitivity
O
perating voltage
-
N
on-Ex instrument
15 … 36 V DC
-
EE
x-ia instrument
15 … 30 V DC
-
EE
x-d-ia instrument
20 … 36 V DC
O
perating voltage with lighted indicating and adjustment module
-
N
on-Ex instrument
20 … 36 V DC
-
EE
x-ia instrument
20 … 30 V DC
-
EE
x-d-ia instrument
20 … 36 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
1000
750
500
250
15
18
16
20
22
24
26
28
30
32
34
36
Ω
V
4
1
2
3
Fig. 42: Voltage supply for version with increased sensitivity
1
HART load
2
Voltage limit EEx-ia instrument
3
Voltage limit non-Ex/Ex-d instrument
4
Operating voltage
Electrical protective measures
P
rotection, depending on housing version
-
H
ousing plastic
IP
66/IP 67
-
A
luminium housing, stainless steel
housing - investment casting, stainless
steel housing - electro-polished
IP
66/IP 68 (0.2
bar)
10)
-
A
luminium and stainless housing, in-
vestment casting (optionally available)
IP
66/IP 68 (1
bar)
O
vervoltage category
III
10)
A
suitable cable is the prerequisite for maintaining the protection rating.
62
VEGAPULS
61 • 4 … 20
mA/HART two-wire
10 S
upplement
28434
-EN
-100426