NEXCOM NViS 3620 - Manual (Page 83)

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Appendix D: Signal Connection of MCU DI/DO
NViS3620/3720 series User Manual
Activating Pre-Alarm Function
(For Event Button) (For MCU-DI2)
Example: When Central Locking System is initiated (locking signal is received)
by negative signal, select “Low” in the trigger threshold level for MCU-DI1.
MCU-DI1
“Low”?
Event Button
“Open”?
MCU-DO1 & MCU-DO2
“OPEN”  “GND”
NViS series power on
Flag A is “1”
No
No
Yes
Yes
Point A
Start
MCU-DI1
“Low”?
MCU-DI2
“High”?
MCU-DO1 & MCU-DO2
“OPEN”  “GND”
NViS series power on
Flag C is “1”
No
No
Yes
Yes
Point A
Start