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Mentor MP User Guide 5
Issue: 3 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 Guide.
1.3 System design and safety of
personnel
The drive is intended as a component for professional incorporation into
complete equipment or system. If installed incorrectly, the drive may
present a safety hazard.
The drive uses high voltages and currents, carries a high level of stored
electrical energy, and is used to control equipment which can cause
injury.
System design, installation, commissioning / start-up and maintenance
must be carried out by personnel who have the necessary training and
experience. They must read this safety information and this guide
carefully.
The STOP and START controls or electrical inputs of the drive must
not be relied upon to ensure safety of personnel. They do not
isolate dangerous voltages from the output of the drive or from any
external option unit. The supply must be disconnected by an
approved electrical isolation device before gaining access to the
electrical connections.
The drive is not intended to be used for safety-related functions.
Careful consideration must be given to the function of the drive which
might result in a hazard, either through its intended behaviour or through
incorrect operation due to a fault. In any application where a malfunction
of the drive or its control system could lead to or allow damage, loss or
injury, a risk analysis must be carried out, and where necessary, further
measures taken to reduce the risk - for example, an over-speed
protection device in case of failure of the speed control, or a fail-safe
mechanical brake in case of loss of motor braking.
1.4 Environmental limits
Instructions within the supplied data and information within the Mentor
MP User Guide regarding transport, storage, installation and the use of
the drive must be complied with, including the specified environmental
limits. Drives must not be subjected to excessive physical force.
1.5 Access
Access must be restricted to authorized personnel only. Safety
regulations which apply at the place of use must be complied with.
1.6 Fire protection
The drive enclosure is not classified as a fire enclosure. A separate fire
enclosure must be provided.
1.7 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 and other protection, and protective ground (earth) connections.
The Mentor MP User Guide contains instructions 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:
2006/42/EC: Safety of machinery
2004/108/EC: Electromagnetic compatibility
1.8 Motor
Ensure the motor is installed in accordance with the manufacturer's
recommendations. Ensure the motor shaft is not exposed.
Low speeds may cause the motor to overheat because the cooling fan
becomes less effective. The motor should be installed with a protection
thermistor. If necessary, an electric forced ventilation fan should be
used.
The values of the motor parameters set in the drive affect the protection
of the motor. The default values in the drive should not be relied upon.
It is essential that the correct value is entered into Pr 5.07 (SE07, 0.28),
Motor rated current. This affects the thermal protection of the motor.
1.9 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.
1.10 Electrical installation
1.10.1 Electric shock risk
The voltages present in the following locations can cause severe electric
shock and may be lethal:
• AC supply cables and connections
• Output cables and connections
• Many internal parts of the drive, and external option units
Unless otherwise indicated, control terminals are single insulated and
must not be touched.
1.10.2 Stored charge
The drive contains capacitors that remain charged to a potentially lethal
voltage after the AC supply has been disconnected. If the drive has been
energized, the AC supply must be isolated at least ten minutes before
work may continue.
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.
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