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Bosch Security Systems

Divar - Easy | Installation Manual | Hardware setup EN | 4-7

External I/O connection

Alarm inputs and outputs are supplied via a 25-pole D-type socket. The screw

terminal input/output connection board supplied with the unit simplifies all

alarm connections to the unit. All inputs and outputs are N/O.

Connecting the Inputs

Each (alarm) input line can be switched by a relay contact from devices such as

pressure pads, passive infra-red detectors, smoke detectors and similar devices.

Connecting the Alarm Outputs

The four alarm output relays respond to input alarms and triggers. The relays

are active for the duration of the driving event. Connect the application to the

alarm output relays (resistive loads only). Do not exceed 30 Vac, 40Vdc, 500

mA (continuous) or 10VA on an alarm output relay's contacts. The contacts must

not be used at AC line voltages.

Specifications

Alarm input impedence: Internal pull-up 10K to +5V

Input voltage range: -0.3V min to 30V max

Input voltage treshold: Low voltage 0.8V max

High voltage 2.4V min

Switching current (resistive): 500mA max

Carrying power: 10VA max

Switching voltage (resistive): 30 Vac / 40 Vdc max

External I/O - 25-pole D-type socket

GND

Panel view

Signal name: Pin no. Description

Alarm_in_1 1 Alarm input 1

Alarm_in_2 2 Alarm input 2

Alarm_in_3 3 Alarm input 3

Alarm_in_4 4 Alarm input 4

Alarm_in_5 5 Alarm input 5

Alarm_in_6 6 Alarm input 6

Alarm_in_7 7 Alarm input 7

Alarm_in_8 8 Alarm input 8

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 71 72

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Bosch Divar Easy Installationshandbuch Seite 37