VEGA VEGATROL 20 Ex - Manual (Page 12)

VEGATROL 20 Ex 12
Sensor 1
1 2 3
2
4
6
8
12
20
28
24
22
10
14
16
18
30
32
z
z
2
4
6
8
12
20
28
24
22
10
14
16
18
30
32
d
d
2
4
6
8
12
20
28
24
22
10
14
16
18
30
32
d b z
E Ex i
26
2 N (-)
4
8
8
10
18
20
d b z
2 L1 (+)
30
32
+
-
2 Technical Information
2.6 Electrical connection
2.6.1 Signal conditioning instrument VEGATOR 526 W Ex overfill protection
Note:
- the relay contacts are shown in currentless condition
Power
supply
Level relay
(overfill
protection)
Coded
key
Ex-separation
Not Ex-area
Ex-area
Overvoltage arrester
Connection when using
overvoltage arresters, see
page 15
Overvoltage arrester
Oscillator E86 Ex of
VEGASWING in the housing
of the system sensor
Measuring
data input
(intrinsically
safe signal
circuit)
Coordination of the Terminal socket with multipoint Module with multipoint
terminal socket or the connector (part of the housing connector acc. to DIN
multipoint connector Type 589 - 10 Ex) 41 612 for carrier
(rear view)
Fail safe relay
Sepa-
ration