Moxa AWK-5222-EU Manuel d'utilisateur Page 11

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AWK-5222 User’s Manual Introduction
1-7
Relay (Digital Output)
The AWK-5222 has one relay output, which consists of the 2 terminal block contacts on the top
panel, as shown below. These relay contacts are used to forward system failure and
user-configured events.
The two wires attached to the relay contacts form an open circuit when a user-configured event is
triggered. If a user-configured event does not occur, the relay circuit will remain closed. For safety
reason, the relay circuit is kept open when the AWK-5222 is not powered.
The AWK-5222’s relay status is summarized as follows:
Power Status Event Relay
Off --- Open
Yes Open On
No Short
AUX1
AUX2
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