2.2 ALARM I/O
1 & 2.
ALARM OUT (OUTPUT): This is an alarm output trigger. Connect this to external
devices such as buzzers or lights. (
3 & 4.
ALARM IN 1 (INPUT): This is an alarm input that can be programmed in the menu
system to active low. (
5 & 6.
ALARM IN 2 (INPUT): This is an alarm input that can be programmed in the menu
system to active low. (
7.
RS-485 D+
8.
RS-485 D-
9.
DC OUT (5V)
10.
GND: Ground contact.
11.
AUDIO IN
12.
AUDIO OUT: This provides the unit's audio signal to a speaker.
Alarm wiring diagram:
5V, 20mA
)
0V(Active)
5V, 20mA
)
0V(Active)
5V, 20mA
)
0V(Active)
9