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MOXA EtherDevice Switch Hardware Installation Guide
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Wiring the Relay Contact
EDS-508 has two sets of relay output— relay 1 and relay 2. Each Relay Contact
consists of the two contacts of the terminal block on EDS-508’s top panel. You
may refer to the next section for detailed instructions on how to connect the
wires to the terminal block connector, and how to attach the terminal block
connector to the terminal block receptor.
In this section, we will explain the meaning of the two contacts used to connect
the Relay Contact.
FAULT: The two sets of relay contacts of the
6-pin terminal block connector are used to
detect user-configured events. The two wires
attached to the Fault contacts form an open
circuit when a user-configured event is
triggered. If a user-configured event does not
occur, the Fault circuit will be closed.