ABB RELION REX640 Kurzbedienungsanleitung - Seite 12

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12 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 successful testing:

• Switch off the power supply. Ensure the de-energized

state of both REX640 protection relay under testing and

the BIO-Tester.

• Remove all test connector cables and put them back inside

the BIO-Tester case.

• Connect all secondary wiring connector terminals back to

the protection relay. Ensure the correctness and tightness

of connectors.

• Switch on the auxiliary supply voltages of the protection

relay and the LHMI.

• Restore all the settings according to recommended set-

tings chart and follow the site testing and commissioning

guidlines before energizing the feeder.