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7.6 Interface Description 7 Technical Reference
7.6 Interface Description
Alfa Laval ref. 565810 Rev. 0
7.6.1 Scope
This document gives information, requirements,
and recommendations about operational
procedures and signal processing for safe and
reliable operation of the separator. It is intended
to be used for designing auxiliary equipment
and control systems for the separator.
7.6.2 References
This Interface Description is one complementary
document to the separator. Other such
documents that contain necessary information
and are referred to here are:
• Interconnection Diagram
• Connection List
• Technical Data
• Operating Water Interface
Standards referred to are:
• EN 418 Safety of machinery - Emergency stop
equipment, functional aspects - Principles of
design
• EN 1037 Safety of machinery - Prevention of
unexpected start-up
7.6.3 Definitions
For the purpose of this document, the following
definitions apply:
• Synchronous speed: The speed the machine
will attain when it is driven by a three phase
squirrel-cage induction motor and there is no
slip in the motor and the drive system.
• Full speed: The synchronous speed minus
normal slip.
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