Procom 4LSL User Manual

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Data Sheet
4LSL
Loudspeaker Function Card
4LSL
Loudspeaker Impedance Monitoring
Fig. 4LSL (L- No. 2.830)
At a Glance:
Active monitoring of impedance on 4 independent LF
channels (configurable deviation thresholds from 1% to 99%)
Short circuit and wire break recognition
Ground connection message (recognition through TG01)
and allocation of the loudspeaker circuit
Minimum load and overload monitoring
(2.5 W>=load<= 150 W)
Distribution of loudspeaker circuits through independent
power relays
Generation of positive or negative public address ac-
knowled
g
ements
Date:
13.03.2009
Page:
1/7
Author:
HS
Document-No.:
DB_4LSL_2830_01
© 2008 ProCom, All rights and technical changes reserved
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Summary of Contents

Page 1 - Data Sheet

Data Sheet 4LSL Loudspeaker Function Card 4LSL Loudspeaker Impedance Monitoring Fig. 4LSL (L- No. 2.830) At a Glance: • Active m

Page 2

Data Sheet 4LSL Loudspeaker Function Card In order to make a public address announcement it is necessary that the loud-speaker circuits to be u

Page 3

Data Sheet 4LSL Loudspeaker Function Card The principle functions are illustrated in the following block diagram. 4LSLBUSAnzeigeSgteuerunMUX

Page 4

Data Sheet 4LSL Loudspeaker Function Card Function Description: The following functions are available on the 4LSL: Monitoring of Imped

Page 5

Data Sheet 4LSL Loudspeaker Function Card Short Circuit and Wire-Break Recognition In loudspeaker circuits wire breaks and short circuits occ

Page 6

Data Sheet 4LSL Loudspeaker Function Card Commissioning Functions The 4LSL measuring module includes additional commissioning and servicing ai

Page 7

Data Sheet 4LSL Loudspeaker Function Card The Front Plate Symbols and Their Meaning: The system blinker Addressing from processor taking

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