Alarm I/O connections
Alarm inputs and outputs are fitted as screw down terminal blocks on the unit. Cable cross
section is AWG 26-16 (0.13 to 1.5 mm
2
).
DIVAR AN 3000
1, 2, 3， 4， 5， 6，
7， 8， 9， 10，
11， 12， 13， 14,
15， 16
Alarm inputs: max. 16. The alarm becomes active at low voltage. Max.
input voltage 15 VDC.
NO1 C1，
NO2 C2，
NO3 C3
Three groups of normal open activation outputs (on/off button).
G Ground cable.
1， 2， 3， 4， 5，
6， 7， 8， 9， 10，
11， 12， 13， 14，
15， 16
Alarm inputs: max. 16. The alarm becomes active at low voltage.
NO1 C1,
NO2 C2,
NO3 C3,
NO4 C4,
NO5 C5
Groups of normal open activation alarm outputs (on/off button).
CTRL +12V Control power output. Always close the device power to cancel the
alarm.
+12V External power output. Need the peripheral equipment to provide
+12 V power (below 500 mA).
G Ground cable.
Connecting the alarm input
Each (alarm) input line can be switched by a contact from an external device between a
numbered input and ground (G). Wire the inputs as either Normally Open (NO) or Normally
Closed (NC) and configure them as NO or NC in the system menu (Settings > Alarm). The
default is NO.
See the following guidelines:
– Parallel connect the COM end and GND end of the alarm detector (provide external
power to the alarm detector)
– Parallel connect the DVR ground and the alarm detector ground
– Connect the NC port of the alarm sensor to the DVR alarm input (ALARM)
– Use the same ground as the DVR if external power is used for the alarm device
– When connecting two DVRs (or one DVR and one other device), use a relay to separate
them
5.10
5.10.1
DIVAR AN 3000 / DIVAR AN 5000 Hardware setup | en 33
Bosch Security Systems Operations Manual 2014.10 | 2.0 | AM18-Q0669
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