EverFocus EBC890, User Manual

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controller will energize the specified alarm output relay. Fingerprint controller support 2 alarm
output relay and the 4 alarm inputs can be assigned to either one of the two alarm output relays.
The connection to a general alarm input is shown below:
Fig. 11. Connecting Alarm-sensor to Fingerprint Controller
Connection to Alarm Output
Two alarm output relays are included in the fingerprint controller. Same as other Flex series
controllers, fingerprint controller provides a flexible alarm output setting. Users can assign the
corresponding relay status to the different events. There are three terminals for each alarm
output relay: COM, N.O and N.C. The wiring depends on the alarm device. Please read the
user manual of the external alarm devices before wiring. Using the 1
st
alarm output relay as an
example, the wiring is shown in Fig. 12 and Fig. 13.
Fig. 12. Normally Open Connection for Alarm Output 1
Fig. 13. Normally Closed Connections for Alarm Output 1
External
Alarming
Device
C. terminal
N.C. termina
l
COM
N.C
.
36 38
Alarm1NO Alarm1NC
Alarm1COM
37
Alarm sensor
for alarm in 1
Alarm input
GND
2
AlarmIn1 GND
1
External
Alarming
Device
C. terminal
N.O. termina
l
COM
N.O
.
36 38
Alarm1NO Alarm1NC
Alarm1COM
37