ABB Advance Optima Caldos 15-Ex - Page 16

16 Advance Optima Ex Analyzer Modules Operator’s Manual 42/24-12-2 EN
Connection Drawings, continued
Figure 4 3 Ex Analyzer Modules in Zone 1, CU-Ex in Zone 1, Distance of 10–30 meters
EEx-e
EEx-e
EEx-e
-K01
115 / 230 V AC
Zone 1
-Z01
-K05
External Power Supply
External Power Supply
System Bus ( 0.5 mm )>
2
Ex Analyzer Module
Ex Analyzer Module
Ex Analyzer Module
Power Supply
Central Unit
System Bus ( 0.5 mm )>
2
System Bus ( 0.5 mm )>
2
24 V DC ( 2.5 mm )>
2
24 V DC ( 2.5 mm )>
2
24 V DC ( 2.5 mm )>
2
Ex
F
If the analyzer module system bus cable is sufficiently long, a single EEx-e connec-
tion box with the required number of terminals can be used instead of 3 EEx-e
connection boxes. In this case the system bus connections are made within this
EEx-e connection box (conductor section
≥ 0.5 mm
2
).
Continued on next page