User Manual

1200
927
500
750
250
12 18
16
9,6
14 2015,1 22 24 26 28 30 32 34 36
Ω
V
1
4
2
3
Fig. 32: Voltage diagram
1 HART load
2 Voltage limit Ex-ia instrument
3 Voltage limit non-Ex/Ex-d instrument
4 Operating voltage
Electrical protective measures
Protection, depending on housing version
- Plastic housing IP 66/IP 67
- Aluminium housing, stainless steel
housing - investment casting, stainless
steel housing - electro-polished
IP 66/IP 68 (0.2 bar)
9)
- Aluminium and stainless housing, in-
vestment casting (optionally available)
IP 66/IP 68 (1 bar)
Overvoltage category III
Protection class II
Approvals
Depending on the version, instruments with approvals can have different technical data.
For these instruments, the corresponding approval documents have to be taken into account.
These are part of the delivery or can be downloaded under
www.vega.com via "VEGA Tools" and
"serial number search" as well as via "Downloads" and "Approvals".
9)
The prerequisites for maintaining the protection rating are a suitable cable
as well as correct mounting.
VEGAPULS 62 • 4 … 20 mA/HART two-wire 63
11 Supplement
36503-EN-100607