Preface
PRS-7367 i
Preface
User’s Guideline
This instruction manual contains full information of the equipment, including function descriptions,
logic diagrams, input signals, output signals, setting parameters and technical parameters. It also
lists the operations on safe handling, commissioning and maintaining of this equipment. The
instruction manual can be can be used as a technical reference during the whole product life
cycle.
Documentation and manufactured equipment purchased from CYG SUNRI CO., LTD. are
dispatched separately due to the necessary manufacturing period. Therefore, they sometimes
may not reach the recipients at the same time. Therefore, this manual is provided as a technical
reference to commission the equipment.
The installation and commissioning personnel should read all relevant chapters carefully and get a
thorough knowledge of the contents of this manual, before conducting any operation to the
equipment. In this way, the personnel can get the required knowledge in handling electronic
equipment.
This manual contains a security chapter which describes the safety precautions recommended
when using the equipment. Before installing and using the equipment, this chapter is
recommended to be thoroughly read and understood.
Personnel Security
The content in this chapter specifically describes to prevent and reduce the safety accidents in
electric power production and construction processes, to ensure the personal safety and health of
employees in production activities and to ensure the power grids stable operation and reliable
power supply.
Any kind of directly touching with the metal parts of the electrical equipment should be avoided
when electrical equipment is on operation, because of the potential electric shock risk. Neglecting
warning notices should be preventing because the improperly operation may damage the device,
even cause personnel injury.
The good operating condition of the equipment depends on proper shipping and handling, proper
storage, installation, commissioning and maintenance. Therefore, only qualified personnel should
be allowed to operate the equipment. Intended personnel are individuals who:
Have a thorough knowledge of protection systems, protection equipment, protection functions
and the configured functional logic in the IEDs;
Have a basic knowledge in the installation, commissioning, and operation of the equipment;
Are familiar with the working field where it is being installed;
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