Follow the connectors' color coding when connecting the cables to
BIO-Tester. Use the separate connector cable for the LHMI.
4.3 Terminal layouts and connection diagrams
BIO-Tester follows the same terminal description as in REX640 protection relays. It
is equipped with test switches and indication LEDs for power supply and BIO
modules. Using pre-wired connectors, test switches can be wired to the protection
relay's binary input terminals to simulate process signals connected to the protection
relay, and indication LEDs can be wired to a protection relay' binary output terminal
to indicate the binary output status.
Section 4 2NGA000105 B
BIO-Tester Relion® REX640
14 BIO-Tester Relion® REX640
User Manual
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