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RELAY OUTPUTS

The Signal-10 device is equipped with four executive outputs, among them

¾ Two solid state relays ALR1 and ALR2 with normally open contacts, galvanic isolation, and

switching capacity of 170 V dc / 0.1А or 130 V ac / 0.1А, and

¾ Two transistor outputs SIR and LAM with output switching capacity of 28V/1А which can be

monitored for load circuit troubles and provide overcurrent protection by means of resettable

fuses

The SIR and LAM outputs are usually used to connect external sound and light alarms indicating

alarms and troubles. Outputs ALR1 and ALR2 are intended for separate transmission of fire alarms and

troubles in fire safety systems, or for transmission fire and intrusion alarms to central guard stations,

central monitoring stations, fire brigades, and so on. Optionally the relay outputs can be adapted to

meet individual user requirements, for example, to unset power of four wire detectors before its will be

armed, or to turn on/off various technical equipment (such as heaters, coolers, ventilators, air condi-

tioners, etc.) in case of alarm loops of Type 12 status altering.

Table 3 shows the programmable parameters of Signal-10 outputs.

Table 3. Signal-10 Outputs Configuration Parameters

Parameter Description Value Range

Executive

Program

Defines the initial relay on/off condition and

the way the output will be controlled depend-

ing on the status of the alarm loops related

with this output

1 ... 37

Relay

Activation Time

Defines the time interval for which the relay

will be switched on/off if the assigned execu-

tive program implies the limited activation

time

0 s to 8192 s

(up to 2 hours 16 minutes 32s)

in increments of 0.125 s

Relay ON/OFF

Events

Enables/disables event transmissions in case

of output on/off condition altering in order to

display on system indicator modules or to log

these events in system database

On / Off

Monitor For

Defines the load circuit monitoring tactics for

outputs SIR (the relay 3) and LAM

(the relay 4)

1 – Without Monitoring

2 – Open Failure

3 – Short Failure

4 – Open and Short Failure

The Signal-10 outputs ALR1, ALR2, SIR, and LAM can be controlled in two ways:

− Locally in accordance with an assigned executive program depending on statuses of related

alarm loops (see below)

− Remotely by network controller commands

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 95 96

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