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Auxiliary control of sensors

Some sensors have auxiliary control inputs for Memory and the Walk Test

activation.

Memory Allows identification of the sensor that generated Alarm status, and is par-

ticularly useful when more than one sensor is connected to the same line.

Walk Test During disarmed status the Walk Test LED will be enabled. During armed

status the Walk Test LED will be disabled (i.e. in the event of burglary in-

truders will not be aware of their detection).

The signal supplied by the auxiliary outputs 23[O1], 24[O2], can be used

for the above purposes.

Figure 14 shows the connection of three Bentel LB612 sensors, with posi-

tive control memory. Auxiliary output 23[O1] must be programmed as Nor-

mally Open, in order to supply the "Disarmed" signal (refer to

"PROGRAMMING"). The Control panel output is an open-collector, there-

fore, a pull-up resistor will allow the sensor to accept positive control.

Figure 14 Connection of three sensors with positive control memory

INSTALLATION 25

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Bentel Omnia 4 Spezifikationen Seite 25