Rockwell Automation 1606-XLSPRED Power Supply Reference Manual User Manual

Bulletin 1606 switched mode power supplies, Reference manual, Terminology and abbreviations

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Reference Manual

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P

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1. Intended Use .......................................................3
2. Installation Requirements...................................3
3. Input and Output Characteristics .......................4
4. Power Losses........................................................5
5. Lifetime Expectancy and MTBF...........................6
6. Terminals and Wiring..........................................7
7. Functional Diagram.............................................8
8. Front Side and User Elements.............................8
9. EMC......................................................................9

10. Environment ......................................................10
11. Protection Features ...........................................11
12. Safety Features ..................................................11

13. Certifications .................................................... 12

14. Physical Dimensions and Weight ..................... 13
15. Accessories ........................................................ 13
16. Application Notes ............................................. 14

16.1. Recommendations for Redundancy .........14
16.2. Inductive and Capacitive Loads ................14
16.3. Example: 1+1 Redundancy .......................14
16.4. Example: N+1 Redundancy .......................15
16.5. Example: Battery Back-up ........................15
16.6. Mounting Orientations ............................16

Terminology and Abbreviations

PE and

symbol

PE is the abbreviation for Protective Earth and has the same meaning as the symbol

.

Earth, Ground

This document uses the term “earth” which is the same as the U.S. term “ground”.

T.b.d.

To be defined, value or description will follow later.

DC 24V

A figure displayed with the AC or DC before the value represents a nominal voltage with
standard tolerances (usually ±15%) included.
E.g.: DC 12V describes a 12V battery disregarding whether it is full (13.7V) or flat (10V)

24Vdc

A figure with the unit (Vdc) at the end is a momentary figure without any additional
tolerances included.

may

A key word indicating flexibility of choice with no implied preference

shall

A key word indicating a mandatory requirement

should

A key word indicating flexibility of choice with a strongly preferred implementation

1+1 Redundancy

Use of two identical power supplies in parallel to provide continued operation following most
failures in a single power supply. The two
power supply outputs should be isolated
from each other by utilizing diodes or
other switching arrangements.
E.g. two 2.5A power supplies are needed to
achieve a 2.5A redundant system.

N+1 Redundancy

Use of three or more identical power
supplies in parallel to provide continued
operation following most failures in a
single power supply. All power supply
outputs should be isolated from each other
by utilizing diodes or other switching
arrangements. E.g.: To achieve a 10A redundant system, five 2.5A power supplies are needed in
a N+1 redundant system.

N+1

Redundancy

1+1

Redundancy

AC

DC

AC

DC

AC

DC

AC

DC

AC

DC

AC

DC

IN 1

OUT

IN 2

IN 1

OUT

IN 2

IN 1

OUT

IN 2

Load

+

-

AC

DC

AC

DC

Load

+

-

IN 1

OUT

IN 2

Bulletin 1606 Switched Mode Power Supplies

Catalog Number: 1606-XLSPRED

Index

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