53
11 Supplement
VEGACAL 64 • Two-wire 4 … 20 mA/HART
30030-EN-200929
Ʋ
Standard length
5 m (16.4 ft)
Ʋ
Max. length
180 m (590.6 ft)
Ʋ
Min. bending radius
25 mm (0.984 in) with 25 °C (77 °F)
Ʋ
Diameter
approx. 8 mm (0.315 in)
Ʋ
Colour - Non-Ex version
Black
Ʋ
Colour - Ex-version
Blue
Display and adjustment module
Voltage supply and data transmission
through the sensor
Indication
LC display in dot matrix
Adjustment elements
4 keys
Protection rating
Ʋ
unassembled
IP20
Ʋ
Mounted into the sensor without cover IP40
Ambient temperature - Display and
adjustment module
-20 … +70 °C (-4 … +158 °F)
Material
Ʋ
Housing
ABS
Ʋ
Inspection window
Polyester foil
Voltage supply
Operating voltage U
B
12 … 36 V DC
Operating voltage U
B
with lighting
switched on
20 … 36 V DC
Reverse voltage protection
Integrated
1000
750
500
250
12
18
16
14
20
22
24
26
28
30
32
34
36
Ω
V
4
1
2
3
Fig. 31: Voltage diagram
1 HART load
2 Voltage limit Ex-ia instrument
3 Voltage limit non-Ex-/Ex-d-ia instrument
4 Operating voltage
Permissible residual ripple
Ʋ < 100 Hz
U
ss
< 1 V