Transition Networks RS-232-TO-100BASE-FX User Manual
SDSFE31xx-100 Industrial Device Server
Transition Networks
24-Hour Technical Support: 1-800-260-1312 International: 00-1-952-941-7600
15
Connecting an alarm fixture
Alarm relay
The Device Server has contacts for connecting an external alarm fixture. Located on
the green terminal block on the top panel, the relay has normally open contacts that
can be wired to form a circuit for triggering an external alarm when a fault occurs
(light or audible alarm). See Figure 9.
the green terminal block on the top panel, the relay has normally open contacts that
can be wired to form a circuit for triggering an external alarm when a fault occurs
(light or audible alarm). See Figure 9.
Figure 9: Alarm Relay Contacts
Alarm relay
wiring
wiring
To wire an alarm to the relay contacts, do the following:
Step
Action
1. Verify that the external power source is turned OFF.
2. Strip the wires as required.
3. Wire the alarm as shown in Figure 10.
2. Strip the wires as required.
3. Wire the alarm as shown in Figure 10.
Figure 10: Alarm Relay Wiring
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