4
1.- System Description
1.1.- Introduction
London conventional control panel has been certificated under EN 54-2 and EN 54-4standards, according
to the last review, and successfully overcomming the most hard tests about environmental conditions, electrical
conducted noises, electromagnetic radiate upsets, vibrations, etc.
London control panel is based on microprocessed technology of 16 bits . It uses the same capacity to
manage the detection system and to do associated operations, without using traditional electronic devices and
improving its features and performance.
It accepts the majority of conventional detectors of the market according those voltage levels:
•
Open Line :
22,50V … 24,00V
•
Surveillance State
19,00V … 22,50V
•
Detector Alarm
7,00V … 16,00V
•
Call Point Alarm
3,50V ... 7,00V
•
Crossed Line
0,V
... 3,50V
1.2.- Features
•
Certification: EN 54-2 and EN 54-4
•
CE marked
•
Microprocessor-controlled
•
Configurable control panel base expandable from 4 to 32 zones, interchangeable with 4 relays modules.
•
Optional plug-in cards for on-site configuration
•
Large conventional system capacity: up to 128 zones and 128 relays.
•
Can be configured with PC software (channel RS232) and extern keyboard.
•
Allows the connection of until 10 repeater.
•
Connection to the Printer series (Rs232).
•
4 zones modules- Ref: LM4Z.
•
4 relays modules- Ref: LM4R Modules with 4 relays each card.
1.3.- Control Panel Composition
•
2 line by 16 character Liquid Crystal Display (LCD) - Backlit.
•
Keyboard of 13 keys grouped in two; on the first one we can find the control menu keys, and with
the second one we can do all the specific functions of the control panel.
•
14 LED that allows to see quickly the state of the control panel (Power supply, Function mode,
Alarm and Fault)
•
Ports RS232 and RS485 depending on the model of control panel, but not possible the installation
of both at the same time.
•
Access to the inside of the control panel with the key.
