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Power Supply PS1000-A6-24.5
Terminology and Abbreviations
2
Terminology and Abbreviations
PE and symbol
PE is the abbreviation for
P
rotective
E
arth 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.
AC 230V
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)
230Vac
A figure with the unit (Vac) at the end is a momentary figure without
any additional tolerances included.
50Hz vs. 60Hz
As long as not otherwise stated, AC 230V parameters are valid
at 50Hz mains frequency.
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.
