Alpha Technologies FXM350_Micro350 UPS - Manual (Page 65)

63 017-241-B0 Rev B
Figure 49 — User Input Configuration: Setting the Trigger Type
Figure 50 — User Input Configuration: Setting the Logic Level
3. Select Edge Trigger.
4. Select Low from the Level drop down menu. The User Input goes to logic level "low" whenever it is
triggered.
Procedure
1. Select UPS Maintenance > User Input to display the User Input Configuration window.
2. In the Input 1 column, select the Type down arrow to display the 3 types of available triggers: Edge
Trigger, Level Toggle, and Level Alternative. For more information on how triggers work, see "Appendix B
- Types of Triggers" on page 106.
7.3.4.9 Maintenance > User Input
Two programmable user inputs are available as well as two optional user inputs. They can be user-configured
similar to the dry contact relays. Supported functions include: (a) Shutdown, (b) User Alarm and (c) Self Test.
Any user input can be configured to perform a certain action in response to different trigger types and logic
levels. For example, if you want the Alpha FXM to issue an intrusion alarm when the door is opened, you
need to wire the door with a switch that triggers a user input every time the door is opened. The following
procedure describes how User Input 1 can be configured as an intrusion alarm input.
NOTE:
Note: Even though the system is designed for edge trigger the minimum width of the
pulse must be 200 mS