VEGA VEGAPULS 62 (≥ 2.0.0 - ≤ 3.8) standpipe ver. 4 … 20 mA_HART two-wire - Manual (Page 50)

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
14 18 16 20 22 24 26 28 30 32 34 36
Ω
V
4
1
2
3
Fig. 25: Voltage diagram
1 HART load
2 Voltage limit EEx-ia instrument
3 Voltage limit non-Ex/Exd instrument
4 Operating voltage
Electrical protective measures
P rotection, depending on housing version
-
P lastic housing IP 66/IP 67
-
A luminium housing, stainless steel
housing - investment casting, stainless
steel housing - electro-polished
IP 66/IP 68 (0.2 bar) 9)
-
A luminium and stainless housing, in-
vestment casting (optionally available)
IP 66/IP 68 (1 bar)
O vervoltage category III
P rotection class II
9) A suitable cable is the prerequisite for maintaining the protection class.
50 VEGAPULS 62 standpipe version • 4 … 20 mA/HART two-wire
10 S upplement
28737
-EN
-090305