Siemens 3TK28 - Purpose of this manual; Required basic knowledge; Validity range

3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
7
Introduction
1
1.1
Purpose of this manual
Note
Original manual
The manual for the 3TK28 safety relays described below is the
original manual.
This manual contains a detailed description of the 3TK28 safety relays. This manual
provides you with the information you require to configure, commission, and use 3TK28
safety relays. Typical application examples provide you with a clear and practice-oriented
introduction.
Furthermore, the manual contains dimension drawings, circuit diagrams, and technical data
of the 3TK28 safety relays to facilitate configuration.
1.2
Required basic knowledge
A general knowledge of the following areas is needed in order to understand this manual:
● Low-voltage switchgear
● Digital circuit logic
● Automation systems
● Safety systems
1.3
Validity range
The manual is valid for the available 3TK28 safety relays. It describes the components that
are valid at the time of publication.
SIEMENS reserves the right of including a Product Information for each new component,
and for each component of a later version.