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Alarm Display Unit LLB 10 D


OPERATION

When a sensor contact closes, the corresponding indicator LED is lit on the panel.

After the pre-set time, the output contact is activated. The signal is acknowledged by resetting the sensor contacts, which there-by causes the output contact to reset.

If the sensor contact returns to normal before being acknowledged, then the unit returns to its normal status.

LLB-10 can be fitted with a legend for each alarm channel, or with a common legend for all 5 channels.

INSTALLATION

LLB-10 is designed for panel, cabinet or wall mounting.

It is made only in the master version.

Systems with more than 10 alarm channels require additional panels.

Connection is made to the unit by an easily accessible screw terminal block, which can be fitted with a corresponding terminal strip.

The use of this system means that cable connections need not be disturbed once the installation is complete, and that the unit can be disconnected very quickly.

SECURITY

LLB-10 is designed for severe mechanical and electrical environmental conditions.

It is provided with protection against polarity reversal, accidental connection of voltage, interruptions etc.

The unit is designed to indicate voltage failures; each group relay is designed to indicate voltage failures with each group relay being normally activated.

In the alarm state the relay is deactivated and a signal can be given with, for example, a horn. The same thing happens when the supply voltage is interrupted.

Its limited size and depth allows it to be easily mounted in panels, walls and similar spaces.

Normal function testing is carried out by pressing the test button, which simulates faults on the alarm channels in the system.

The unit is in accordance with CE-standards: EN 50 082-2; IEC 801-2:1991; ENV 50 140; ENV 50 141; IEC 801-4.

SPECIFICATIONS

Supply voltage: 24V AC/DC ± 20%
Supply current: Normal condition 0.1A, Alarm condition 0.4A
Time delay: 0.5 - 20 sec. adjustable common line for each alarm group
Output contacts: Change-over contact rated (A and B alarms) max. 100V 100 VA resistance load.
Front: Dull black aluminium
Main dimensions: DIN 144x144x35 mm
Panel recess: 125x125 mm
Legends: Space for individual channel legends or common 5 channel legends
Indicators: Red LED for unacknowledged alarm
Ordering Instructions: 12007  LLB 10 D

 
 


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info@imsab.se • Guldringen 1, SE-426 52, V.Frölunda, Sweden