ABB RELION REX640 Короткий посібник з експлуатації - Сторінка 5

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2. Preparations

Refer to the local safety rules and regulations before starting any operations with BIO-Tester Relion® REX640.

The auxiliary supply voltages of both the REX640 protection relay and the LHMI need to be

switched off before the preparations.

B I O -T E S T E R R E X 6 4 0 Q U I C K O P E R AT I O N G U I D E

After the auxiliary supply voltage of the protection relay has

been switched off, it is possible to start the preparations.

Loosen the both screws of power supply module

connectors.

Remove the PSM secondary wiring connector terminals.

Loosen the protective earth screw TX30 on the protection

relay but DO NOT remove the existing earth lead.