ABB ECA06 Configuration And Installation page 41

Chapter 2: Installation
Figure 25
493-0736-11 (6-2)
Supply Unit
20 mA
+
48V DC
–
6
Sensor 4–20 mA
Example of Single Controller Current Loop.
Meter
+
5 V
250 Ω
1
–
2
+
250 Ω
5 V
AI
–
+
5 V
250 Ω
–
4
+
5 V
250 Ω
28 V
–
+
–
2.4 Electrical Installation
Controller
CMV referenced
to this point
3
Indicator 1
Indicator 2
5
41