α
2
Simple Application Controllers
iii
Guidelines for the safety of the user and protection of
α
2
Simple Application
controllers
This manual provides information for the use of
α
2
Simple Application controllers. 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 automatic
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 fulfill 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 fulfill 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 equipment should be trained to use that product in a safe
and co-ordinated manner in compliance to established safety practices. The operators
should also be familiar with 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.
Notes 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
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 warning
4 ) Indicates special care must be taken when using this element of software.
5 ) Indicates a special point which the user of the associate software element should
be aware of.
6 ) Indicates a point of interest or further explanation.
