Safety
Information
Product
Information
Mechanical
Installation
Electrical
Installation
Getting
Started
Menu 0
Running
the motor
Optimisation
Macros
Advanced
Parameters
Technical
Data
Diagnostics
UL Listing
Information
Unidrive User Guide
7
Issue Number: 9 www.controltechniques.com
1 Safety Information
1.1 Warnings, Cautions and Notes
A Note contains information which helps to ensure correct operation of
the product.
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 cranes), a separate method of braking and
stopping must be used (e.g. a mechanical brake).
1.4 Environmental limits
Instructions in this User Guide regarding transport, storage, installation
and use of the drive must be complied with, including the specified
environmental limits. Drives must not be subjected to excessive physical
force.
1.5 Compliance with regulations
The installer is responsible for complying with all relevant regulations,
such as national wiring regulations, accident prevention regulations and
electromagnetic compatibility (EMC) regulations. Particular attention
must be given to the cross-sectional areas of conductors, the selection
of fuses or other protection, and protective earth (ground) connections.
This User Guide contains instruction for achieving compliance with
specific EMC standards.
Within the European Union, all machinery in which this product is used
must comply with the following directives:
98/37/EC: Safety of machinery.
89/336/EEC: Electromagnetic Compatibility.
1.6 Motor
Ensure the motor is installed in accordance with the manufacturer’s
recommendations. Ensure the motor shaft is not exposed.
Standard squirrel cage induction motors are designed for single speed
operation. If it is intended to use the capability of the drive to run a motor
at speeds above its designed maximum, it is strongly recommended that
the manufacturer is consulted first.
Low speeds may cause the motor to overheat because the cooling fan
becomes less effective. The motor should be fitted with a protection
thermistor. If necessary, an electric forced vent fan should be used.
1.7 Adjusting parameters
Some parameters have a profound effect on the operation of the drive.
They must not be altered without careful consideration of the impact on
the controlled system. Measures must be taken to prevent unwanted
changes due to error or tampering.
A Warning contains information which is essential for
avoiding a safety hazard.
A Caution contains information which is necessary for
avoiding a risk of damage to the product or other equipment.
WARNING
CAUTION
NOTE
Содержание Unidrive 1 Series
Страница 208: ......
