Connection Examples - ABB LME620-AI User Manual
Electronic unit for field installation for the control of contrac control actuators series pme, lme, rhd and rsd
Hide thumbs
Also See for LME620-AI:
- Operating instruction (32 pages) ,
- Service instruction (30 pages) ,
- Instructions manual (15 pages)
Table of Contents
Advertisement
LME620-AI / PME120-AI / EAN823 / EBN853 / EBN861 ELECTRONIC UNIT | OI/PME/LME/EAN823/EBN853/EBN861-EN REV. E
Connection examples
Operation following a continuous set point (standard)
In the standard configuration, the binary inputs are configured as 'MANUAL OPERATION'.
To switch the actuator to automatic mode (AUT), the following conditions must be met:
•
The binary input 1 must be connected with +24 V DC (automatic operation).
•
The 'AUT' operating mode must be selected through the graphic user interface.
+1 -2
Figure 15: Connection example for operation following a continuous set point (standard configuration)
DO 2
DO 1
endpos.
0%
o.k./fault
+3 -4 +5
-6
7
8
9
10
Contrac electronic unit
DO 3
Setpoint
endpos.
+ HART
100%
0/4 ... 20 mA
Uv
out
11 12 13 +14 -15
+26 -27
RB
24V
+
-
act. pos.
0/4 ... 20 mA
Transmitter
4 ... 20 mA
+28 29
+30 -31
RB
I
+
-
Uv
24V
U
M10358
23
Advertisement
Table of Contents
