ENG
28
3.7. LOOP CARD(S)
Each loop card provides two addressable detection loops. This board is installed on the MAIN BOARD, always starting with the position marked as LOOP
CARD POSITION (1/2) and successively occupying the positions to the right of the previous one. The board is fixed using four NYLON screws supplied
with the loop card.
To install a loop card on the CAD-250 control panel, carry out the following steps:
Make sure you are not wearing any metal accessories (rings, bracelets, etc.) that could short circuit the electronics and take the appropriate antistatic
precautions for handling the loop card.
NEVER
perform the loop assembly and connection operations when the system is powered. Check that the main supply voltage and batteries are
disconnected.
JP32
JP7
OFF BUZZER
FAULT SYSTEM
⏚
ON OFF
INTERNAL
BUS
NET
RS485
LOOP CARD
POSITION 1/2
LOOP CARD
POSITION 3/4
LOOP CARD
POSITION 5/6
LOOP CARD
POSITION 7/8
R.Alarm R.Fault
NO NC C NO NC C
24V Aux SND1 SND2
+ - + - + -
NET RS485
IN OUT
A B
⏚
A B
⏚
Vin
+ -
⏚
10A
BAT
+ -
24V
A
UX
0.5A
SND2 0.5A
SND1 0.5A
BAT
10A
LOOPS
1 and 2
LOOPS
3 and 4
LOOPS
5 and 6
LOOPS
7 and 8
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