ABB Advance Optima Caldos 15-Ex - Page 18

18 Advance Optima Ex Analyzer Modules Operator’s Manual 42/24-12-2 EN
Connection Drawings, continued
Figure 5 1 Ex Analyzer Module in Zone 1 or Zone 2 (Combustible Sample Gas),
Central Unit Either in Zone 2 or Ex-Free, Distance of 1–10 me te rs
24 V DC ( 2,5 mm )>
2
-K06
Zone 1 / Zone 2
Zone 2 / Ex-free
115 / 230 V AC
-Z01
System Bus ( 0,5 mm )>
2
Ex Analyzer Module
Power Supply
Central Unit
+
24 V D
C
HIGH
LOW
GROUND
19
18
17
16
15
14
13
12
11
-K06
Zone 1 / Zone 2
-Z01
1
2
3
6
5
4
8
7
System Bus
BN
BU
GNYE
Ex Analyzer Module
Zone 2 / Ex-free
Central Unit
Continued on next page