DMP Electronics 734N Series, Installation And Programming Manual

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8 734N Series Installation and Programming Guide | Digital Monitoring Products, Inc.
Isolation Relay (optional)
The Form C relay can control a device that draws less than 10 Amps of current. If a
device draws more than 10 Amps of current, or the sum of all devices controlled by
the Form C relay exceeds 10 Amps, an isolation relay must be used. Refer to Figure 6
and Figure 7 for isolation relay wiring.
3
Figure 6: Magnetic Lock with an
Isolation Relay
Figure 7: Door Strike with an
Isolation Relay
Normally
Closed
Common
Magnetic Lock
– +
12/24VDC
Power
Supply
734N
Series
Module
DC Input
Model 333
Suppressor
+
+
+
+
–
–
–
Mag Lock
Normally
Open
– +
DC Door Strike
12/24VDC
Power
Supply
734N
Series
Module
DC Input
+
+
+
+
–
–
–
Common
Model 333
Suppressor