AVE MV DR4000 - Manual (Page 11)

9
2.3 ALARM In/Out
ALARM1 IN ALARM4 IN
ALARM2 IN ALARM3 IN
ALARM OUT
RECORD IN GROUND
DISK FULL
ALARM RESET
1 2 3 4 5
6 7 8 9
THIS FIGURE IS LOOKED FROM THE REAR VIEW
1. GND: Ground Contact.
2. ALARM OUT (OUTPUT): This is a common alarm output trigger. Connect this to external
devices such as buzzers or lights. Switches Low (GND) (
5V
0V(Active)
)
3. DISK FULL (OUTPUT): This is a disk full output trigger. Connect this to external devices such
as buzzers or lights. Switches Low (GND) (
5V
0V(Active)
)
4. ALARM RESET (INPUT): This pin connects to an alarm-clear device for clearing an alarm. Use
a Normally Open switch to GND. (
5V
0V(Active)
)
5. RECORD IN (INPUT): This pin connects to a record trigger device for starting a record.
Negative Trigger. (
5V
0V(Active)
)
6. ALARM4 IN (INPUT): This is an alarm input (for CH 4 ), which can be programmed in the menu
system to Normally Open or Normally Closed operation.
7. ALARM3 IN (INPUT): same as the above, for CH 3
8. ALARM2 IN (INPUT): same as the above, for CH 2
9. ALARM1 IN (INPUT): same as the above, for CH 1