ABB Advance Optima Caldos 15-Ex - Page 20

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
Power Supply
Central Unit Ex Analyzer Module
1
2
3
+
24 V D
C
HIGH
LOW
GROUND
Zone 1 / Zone 2
-Z01
1
2
3
6
5
4
8
7
GNYE
System Bus
BN
BU
Ex Analyzer Modul
e
Zone 2 / Ex-free
BN
GN
WH
System Bus Connector
View to the Pin Side of
the Cable’s Connector