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Safety Precautions
Thank you for purchasing the Toshiba PU235N/245N CPU module, which is for use with the T2N
programmable controller.
This document describes the usage and handling of the PU235N/245N built-in Ethernet Port and
presents important cautionary items.
To use the PU235N/245N Ethernet Port safely, please read this document and all other related
documentation thoroughly and acquire thorough knowledge of the equipment and points that
require care before installing, operating, maintaining, or inspecting the PU235N/245N.
[Concerning Important Points]
1. The PU235N/245N is designed and manufactured for use with general industrial equipment,
including all types of production line control and manufacturing equipment.
The PU235N/245N is not designed or manufactured for use in equipment or systems on which
human lives depend.
Consult with your Toshiba sales representative in advance if you need to use an
PU235N/245N in a equipment or systems that are used in transportation equipment (such as
trains), medical applications, aerospace applications, nuclear reactor control, or underwater
relay equipment or other special contexts.
2. Although the PU235N/245N is manufactured under strict quality control, if an PU235N/245N
is to be used in critical equipment in which human lives could be endangered or in which large
losses could occur should the PU235N/245N fail, install safety equipment so that such
catastrophes cannot occur.
3. The PU235N/245N should only be installed, wired, used, or maintained by persons who have
a general knowledge of the handling of control equipment. Electrical shock, fires, failures, and
malfunctions can occur if an PU235N/245N is handled incorrectly. Persons whose knowledge
of control and electrical equipment is inadequate should avoid installing, wiring, using, or
maintaining this equipment, and should instead employ persons with the requisite specialized
knowledge.
4. This document and the related separate documentation is written for persons with a general
knowledge of programmable controllers and control equipment.
If you have any questions about the contents of this documentation, please feel free to contact
you Toshiba representative.