Figure 2. Board appearance
Lun-9C board has the following terminals:
Table 2. Functions of the terminals of Lun-9C board
Terminal
marking
Purpose
GND
Common contact ( – )
IN*
Control Panel (central) connection input
LED
Remote indicator anode ( + )
Z1**
Input 1 (“Fire” relay connection)
Z2**
Input 2 (“Malfunction” relay connection)
Z3**
Input 3 (fire indication test)
OUT***
Input for transmission of Lun-9C malfunction warning to the Control Panel
+14
Power supply input +(10…14)V
GND
Common contact ( – )
* Communication protocols: tone Contact ID; pulse with the speed of 20 bit/sec
** Terminal resistors of 4.7 kOhm are used, see the connection diagrams in Figures 3, 4.
*** Load capacity (15...25)mA, open collector type output, it internally switched to GND in case of Lun-
9C malfunction
5. Operation peculiarities
The power supply unit shall comply with EN54-4 having the following parameters:
●
DC output v(10…14)V;
●
maximum load current – at least 0.7A;
●
power supply unit shall be equipped with the standby power supply (battery) and provide
the no-break power of the unit when the normal power supply fails.
АДМА.425938.003 РЭ
Rev. en_11
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