Installation manual

PS10270JENAA01 20/10/2004 155
Description of the relays
The following diagrams show the relays R1, R2, R3, and R4 on the OCT4 card.
SW1: RESET, manual initialisation.
SW2: NMI, reserved for factory tests.
J11: This switch is used to turn the internal data backup battery on and off.
• OFF: battery off
• ON: battery on (factory setting)
R1
B7 : R1B
A7 : R1A
B8 : +12V
B8 : GND
+12V
R3
B5 : R3B
A5 : R3A
R2
B6 : R2B
A3 : R2C
A6 : R2A
R4
B4 : R4B
A4 : R4A
R1: Switching relay R2: Impaired operation
alarm relay
R3: Restricted service
relay used when connecting
a common bell
R4: Watchdog alarm relay