Autronica AutroVoice miniVES 2001, Руководство по обслуживанию

Страница: 36 / 156

36
COMPACT VOICE ALARM SYSTEM
SERVICE MANUAL
6.1.2.4 ABT-xCtrLine-2 – 2 loudspeaker lines control card
ABT-xCtrLine-2 card provides 2 independent loudspeaker line outputs (A,B).lcd
The card relays of 100 V signal to loudspeaker lines from individual HV audio input located on the card’s front panel or from
the internal 100 V bus available to all control cards.
The card allows switching between main and back-up amplifier modules.
Drawing 15. ABT-xCtrLine-2 card model
Drawing 16. ABT-xCtrLine-2 card model
Line measurements can be performed by means of two various methods:
» impedance,
» loop.
The card detects short-circuit, open-circuit and absence of elements.
c
Maximum power which ABT-xCtrLine-2 can handle is 600 W for 100 V line. Each output on the card can handle up
to 300 W (100 V Line), in the parallel connection of the A-B, C-D maximum load is 450 W.