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20
Advance Optima Ex Analyzer Modules Operator’s Manual
42/24-12-2 EN
Connection Drawings,
continued
Figure 7
1 Ex Analyzer Module in Zone 1 or Zone 2 (Combustible Sample Gas),
Central Unit Either in Zone 2 or Ex-Free, System Bus with Standard Cable,
Distance
≤
30 meters
24 V DC (2,5 mm )
2
115 / 230 V AC
-Z01
EEx-e
Zone 1 / Zone 2
System Bus (0,24 mm )
2
Zone 2 / Ex-free
P
o
w
e
r Su
ppl
y
Central Unit
Ex Analyzer Module
1
2
3
+
24 V DC
HIGH
LOW
GROUND
Zone 1 / Zone 2
-Z01
1
2
3
6
5
4
8
7
GNYE
System Bus
BN
BU
Ex Analyzer Module
Zone 2 / Ex-free
BN
GN
WH
System Bus Connector
View to the Pin Side of
the Cable’s Connector