2011-02 Installation and User Instructions 5 Call Stations

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It is possible to connect the following to the control inputs/outputs connector:

Internally powered lamp or LED. See figure 19.4 for a connection diagram.

Externally powered lamp or LED. See figure 19.5 for a connection diagram.

Externally powered relay. See figure 19.6 for a connection diagram.

3.3V

150 Ω Output X, OUT

I < 22 mA

 

 

 

 

Output X, IN

 

figure 19.4: Internally powered LED

I < 100 mA

R

Max. 30V

Output X, IN

GND

figure 19.5: Externally powered LED

I < 100 mA

The value of resistor R in figure 19.5 depends on the voltage of the external source, the forward voltage of the LED and the current flowing through the LED:

Vsource Vforward

R = --------------------------------------------

I

For example, the voltage of the external source is 24 V, the forward voltage of the LED is 2 V and the current flowing through the LED is 10 mA, then:

R =

24 – 2

= 2200 (Ω)

10--------------------10–3

table 19.4: X810 technical data

Cable length: max. 5 m Current:

max. 100mA (via IN)

max. 64 mA (via all OUT terminals together) Voltage:

max. 30 V

Note

If the internal 3.3 V power supply is used to power lamps or LEDs, then the maximum total load for all control outputs together should be <64 mA.

Max. 30V

Output X,

IN

GND

figure 19.6: Externally powered relay

Bosch Security Systems 2011-02

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Bosch Appliances 3.5 manual 150 Ω Output X, OUT, 100 mA, X810 technical data

3.5 specifications

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