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SIGNAL-20P APPLICATION

- 11 (ASPT)

- 12 (SIREN)

- 33 (ASPT-1)

- 34 (ASPT-A)

- 35 (ASPT-A1

Blocking of the relay control in case of auxiliary loop breaking impli-

cates that

- the relay doesn’t switch on in accordance with given tactics if the

loop has already broken

- if the breaking has happened when the relay was controlled it will

be returned to the initial status for given program

The relays controlled in accordance with programs 1…8, 11 and 33

will switch on when auxiliary loop has recovered but relays controlled in

accordance with programs 34 and 35 will keep switched off.

5.4.2 Type 12 auxiliary alarm loops

Type 12 auxiliary alarm loop five possible statuses are determined by

loop resistance threshold values, these values being shown below.

kOhm

loop resistance

status1

status2 status3 status4 status5

status threshold 4/5

status threshold 3/4

status threshold 2/3

status threshold 1/2

Figure 1. Statuses and status thresholds of programmable auxiliary loop

The loop resistance threshold values giving the boundary lines be-

tween statuses and status codes are user programmable. So the equip-

ment having several statuses and correspondingly several output contact

groups can be controlled by means of single loop including contact groups

into the alarm loops with additional resistances. These loops also can be

short or open failure monitored.

The device sound and light alarm and relay controlling are defined by

statuses this loop to enter. The programmable auxiliary loop status chang-

ing depends only on loop resistance changes and is not impacted by any

other factors or net controller commands. The resolving time when the

status is changing amounts 300 ms.

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Bolid Signal-10 Manuel d'utilisateur Page 43