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Signal-10 Operation Principles

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Loop Type Alarm Loop Conditions and Statuses

Type 5

Intrusion

With Tamper

Monitoring

Norm Intrusion Alarm Detector Enclosure Tampering

From 2.2 to

5.4 kΩ

Less than

1.8 kΩ or more

than 6.6 kΩ

(if armed)

From 6.6 kΩ to 9.0 kΩ, or less than 100 Ω, or more

than 20 kΩ

(if the loop have the Disarmed, or Arming Delay,

or Arming Failed statuses)

Type 6

Auxiliary

Norm of Auxiliary alarm loop Auxiliary alarm loop breaking

From 2.2 to 5.4 kΩ Less than 1.8 kΩ or more than 6.6 kΩ

Type 7

Entrance

Norm Entrance/Intrusion Alarm

From 2.2 to 5.4 kΩ

Less than 1.8 kΩ, or more than 6.6 kΩ,

or has jumped by more than 10 %

Type 11

Panic

Norm Silent Alarm (Attack)

From 2.2 to 5.4 kΩ

Less than 1.8 kΩ, or more than 6.6 kΩ, or has jump-

er by more than 10 %

Type 12

Programmable

Auxiliary

Status 1* Status 2* Status 3* Status 4* Status 5*

Less than R1

from R1

to R2

from R2

to R3

from R3

to R4

More than R4

* − alarm loop statuses and threshold loop resistance values are user programmable

(see Auxiliary Alarms section of this Manual)

Smoke Two Threshold Alarm Loop (Type 1)

A loop of the Type 1 (Smoke Two Threshold) is intended to involve fire smoke (normally open) detec-

tors. This loop is considered to be in one of the following statuses:

Armed The alarm loop is monitored, its resistance being normal

Disarmed The alarm loop is not monitored

Arming Delay The Arming Delay has not yet expired

Fire Prealarm A single detector has actuated within the alarm loop

Fire Alarm At least two detectors brought in the alarm loop have actuated, or

the Alarm Delay has expired after single detector actuation

Short Circuit Failure

The resistance of the alarm loop is less than 100 Ω

Open Circuit Failure

The resistance of the alarm loop is more than 6 kΩ

Arming Failed The alarm loop has been broken at the moment of being armed

An included detector having actuated, the Signal-10 generates FIRE SIGNAL message and repeatedly

queries the condition of the alarm loop by doing the following. The device unset loop power for 3 s. If

within 55 s after power reset the detector actuates repeatedly, then the alarm loop is considered to be

in the Fire Prealarm status. Otherwise, if the detector has not actuated repeatedly within 55 s, the alarm

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