Memorex RX 1 Smart Manual de instalación Pagina 178

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Simrad MX500 | 177
Ext. Alarm Relay Conditions
MX500 turned OFF Energized
MX500 Turned ON
(No A la rm )
Not Energized
MX500 Turned On
(With Alarm)
Energized
12 VDC Input Power
Failure
Energized
The external alarm is derived from the “EXT alarm”
port on AUX (8-pin) cable, pin 3 (Blu) and pin 4 (Prpl).
The software is setup in each of the appropriate CFG1
(Alarms) menu. The relay coil supply voltage must be
connected to an independent battery backed-up alarm
supply. Make sure the relay coil voltage is compatible
with the voltage rating of the alarm power supply (i.e.
NTE Electronics Relay - P/N R14-11D10-12 for use in a
12 VDC supply). The negative ground of the alarm power
supply must be connected to Pin 3 (Blu) of the AUX (8-
pin) cable (refer to the relay diagram below).
Coil
C
N.O.
N.C.
Continuous-Duty
SPDT Relay
(12 VDC < 75 mA)
MX 500
To a Battery Back-Up
Alarm Power Supply
-
+
AUX (8-pin) Cable
Pin 3 (Blue)
AUX (8-pin) Cable
Pin 4 (Purple)
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