Environmental Limits; Compliance With Regulations; Safety Of Personnel - Control Techniques UD55 User Manual

2.4

Environmental limits

Instructions in the Unidrive Installation Guide regarding transport, storage,
installation and use of Drives must be complied with, including the specified
environmental limits. Drives must not be subjected to excessive physical
force.
2.5

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.
The Installation Guide for the Drive 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:
89/392/EEC: Safety of Machinery
89/336/EEC: Electromagnetic Compatibility.
2.6

Safety of personnel

The function of the Drive does not remove dangerous voltages from
STOP
the output of the Drive or from any external option unit.
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
inadvertently started.
Careful consideration must be given to the functions of the Drive which
might result in a hazard, either through their intended functions
(eg. Auto-start) or through incorrect operation due to a fault or trip
(eg. stop/start, forward/reverse, maximum speed).
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 (eg. hoists and cranes), a separate method of braking and stopping
the motor must be used (eg. a mechanical brake).
Before connecting the
understand the operating controls and their operation. If in doubt, do not
adjust the Drive. Damage may occur, or lives put at risk. Carefully follow
the instructions in this User Guide.
Before making adjustments to the Drive, ensure all personnel in the area are
warned. Make notes of all adjustments that are made.
UD55 User Guide
Issue code: 55nu3
supply must be installed to prevent the motor being
AC
supply to the Drive, it is important that you
AC
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