ABB Advance Optima Caldos 15-Ex - Page 17

42/24-12-2 EN Advance Optima Ex Analyzer Modules Operator’s Manual 17
Connection Drawings, continued
Figure 4 (continued) 3 Ex Analyzer Modules in Zone 1, CU-Ex in Zone 1, Distance of 10–30 meters
+ 24 V DC
HIGH
LOW
GROUND
83
73
63
53
43
33
23
13
-K01
HIGH
LOW
GROUND
+ 24 V DC
HIGH
LOW
GROUND
+ 24 V DC
HIGH
LOW
GROUND
Zone 1
GNYE
GNYE
GNYE
-Z01
8
1
2
3
6
5
4
7
8
1
2
3
6
5
4
7
8
1
2
3
6
5
4
7
System Bus
System Bus
System Bus
BN
BU
Ex Anal
y
zer Module
Ex Central Unit
EEx e
C
onnection Box
BN
BU
Ex Anal
y
zer Module
BN
BU
Ex Anal
y
zer Module
External Power Supply
External Power Supply
Continued on next page