VEGA VEGAPULS WL 61 4 … 20 mA_HART - two-wire User Manual
Page 48
48
11 Supplement
VEGAPULS WL 61 • 4 … 20 mA/HART - two-wire
38061-EN-121011
Integrated clock
Date format
Day.Month.Year
Time format
12 h/24 h
Time zone Ex factory
CET
Measurement electronics temerature
Resolution
1 °C (1.8 °F)
Accuracy
±1 °C (1.8 °F)
Voltage supply
Operating voltage
Ʋ Non-Ex instrument
9.6 … 36 V DC
Ʋ Ex-ia instrument
9.6 … 30 V DC
Interpolation protection
Integrated
Permissible residual ripple - Non-Ex, Ex-ia instrument
Ʋ for 9.6 V< U
N
< 14 V
≤ 0.7 V
eff
(16 … 400 Hz)
Ʋ for 18 V< U
N
< 36 V
≤ 1.0 V
eff
(16 … 400 Hz)
Load
see diagram
1200
927
500
750
250
12
18
16
9,6
14
20
15,1
22
24
26
28
30
32
34
36
Ω
V
1
4
2
3
Fig. 46: 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 rating
IP 66/IP 68 (2 bar)
Overvoltage category
III
Protection class
III
Approvals
Instruments with approvals can have different technical data depending on the version.
For that reason the associated approval documents of these instruments must be carefully noted.
They are part of the delivery or can be downloaded under www.vega.com and "VEGA Tools" as
well as under "Downloads" and "Approvals".