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Rockwell Automation Publication 1606-RM121A-EN-P - October 2020
Functional Diagram
Figure 17 - Functional Diagram
Front Side and User
Elements
Input
Fuse
&
Input
Filter
L
N
Output
Overvoltage
Protection
Input
Rectifier
&
Inrush
Limiter
Output
Voltage
Regulator
+
+
-
-
Output
Filter
V
OUT
DC OK
Status
Indicator
Power
Converter
Figure 18 - Front Side
User Elements
1
Output terminals
(screw terminals)
Dual terminals for the negative and positive pole. Both poles are
internally connected.
+ Positive output
- Negative (return) output
2
DC OK status indicator
(green)
The status indicator is on when the output voltage is > 18V.
3
Output voltage adjustment potentiometer
4
Input terminals
(screw terminals)
L: Phase (line) input
N: Neutral conductor input
Protective Earth (PE) input
1
2
3
4
