Safety Information; Warnings, Cautions And Notes; Electrical Safety - General Warning; System Design And Safety Of Personnel - Control Techniques Commander SE Series User Manual

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Safety Information

1.1

Warnings, Cautions and notes

Warning
A contains information which is essential for avoiding a safety hazard.
WARNING
Caution
A contains information which is necessary for avoiding a risk of damage to
the product or other equipment.
CAUTION
Note
A contains information which helps to ensure correct operation of the product.
NOTE
1.2

Electrical safety - general warning

The voltages used in the Drive can cause severe electrical shock and/or burns, and
could be lethal. Extreme care is necessary at all times when working with or adjacent
to the Drive.
Specific warnings are given at the relevant places in this User Guide.
1.3

System design and safety of personnel

The Drive is intended as a component for professional incorporation into complete
equipment or a system. If installed incorrectly, the Drive may present a safety hazard.
The Drive uses high voltage and currents, carries a high level of stored electrical
energy, and is used to control equipment which can cause injury.
Close attention is required to the electrical installation and the system design to avoid
hazards, either in normal operation or in the event of equipment malfunction. System
design, installation, commissioning and maintenance must be carried out by personnel
who have the necessary training and experience. They must read this safety
information and this User Guide carefully.
The STOP function of the Drive does not remove dangerous voltages from the output
of the Drive or from any external option unit.
Careful consideration must be given to the functions of the Drive which might result in
a hazard, either through their intended functions or through incorrect operation due to
a fault.
In any application where a malfunction of the Drive could lead to damage, loss or
injury, a risk analysis must be carried out, and where necessary, further measures
taken to reduce the risk.
The STOP and START controls or electrical inputs of the Drive must not be relied
upon to ensure safety of personnel. If a safety hazard could exist from
unexpected starting of the Drive, an interlock that electrically isolates the Drive
from the AC supply must be installed to prevent the motor being inadvertently
started.
To ensure mechanical safety, additional safety devices such as electro-mechanical
interlocks and overspeed protection devices may be required. The Drive must not be
used in a safety critical application without additional high integrity protection against
hazards arising from a malfunction.
Under certain conditions, the Drive can suddenly discontinue control of the motor. If
the load on the motor could cause the motor speed to be increased (e.g. in hoists and
Commander SE User Guide
Issue Number 5
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