Mitsubishi MELSEC-F Manuel page 4

Graphic FX DU Units
Guidelines for the safety of the user and protection of the Graphic
ENG
FX DU Unit
This manual provides information for the installation and use of the Graphic FX DU Unit.
The manual has been written to be used by trained and competent personnel. The
definition of such a person or persons is as follows;
a)
Any engineer who is responsible for the planning, design and construction of auto-
matic equipment using the product associated with this manual should be of a
competent nature, (trained and qualified to the local and national standards required
to fulfil that role). These engineers should be fully aware of all aspects of safety with
regards to automated equipment.
b)
Any commissioning or service engineer must be of a competent nature, trained and
qualified to the local and national standards required to fulfil that job. These engineers
should also be trained in the use and maintenance of the completed product. This
includes being completely familiar with all associated documentation for the said
product. All maintenance should be carried out in accordance with established safety
practices.
c)
All operators of the completed product should be trained to use that product in a safe
and co-ordinate manner in compliance to established safety practices. The operators
should also be familiar with all documentation which is connected with the actual
operation of the completed equipment.
Note: the term 'completed equipment' refers to a third party constructed device which
contains or uses the product associated with this manual.
Note's on the symbology used in this manual
At various times through out this manual certain symbols will be used to highlight points
of information which are intended to ensure the users personal safety and protect the
integrity of the equipment. Whenever any of the following symbols are encountered, its
associated note must be read and understood. Each of the symbols used will now be
listed with a brief description of its meaning.
Hardware warnings
1)
Indicates that the identified danger WILL cause physical and property damage.
2)
Indicates that the identified danger could POSSIBLY cause physical and property
damage.
3)
Indicates a point of further interest or further explanation.
Software warnings
4)
Indicates special care must be taken when using this element of software.
5)
Indicates a special point of which the user of the associate software element should
be aware.
6)
Indicates a point of interest or further explanation.
ii