Tree Navigation

Tree Structure Screen Display

The navigation trees provide access to all the screens of MicroLogic P trip units.

The different screens are organized in branches corresponding to a given type of information.

The following branches are available, in the indicated order, depending on the type of MicroLogic trip unit:

Branch (type of information)	Button to access branch	Screens
Metering		Current I
		Voltage V
		Power P
		Energy E
		Frequency F
History and setup		Event history
		Contacts M2C/M6C
		MicroLogic setup
		Com. setup
Protection		Current protection
		Voltage protection
		Other protection
		Load shedding I
		Load shedding P

Default Screen

All menu selections start at the default screen.

The default screen displays:

• A bar graph representing the instantaneous values of the phase currents I1, I2, I3 and the neutral current IN (for 4–pole circuit breakers).

• The value in amperes of the most heavily loaded phase. The number for that phase is presented in a square.

Navigating with the Keypad Buttons

Use the keypad buttons on the face of the MicroLogic P trip unit to navigate in the menu structure, and to access displayed values and configurable settings.

The possible operations are listed below:

• Display data, for example, energy values

• Reset values or counters, for example, reset the maximum power

• Select options in a list, for example, language

• Set protection functions, for example, long-time protection

Button	Description
	Press the branch menu buttons to: Open the branch of a tree. The green LED on the button lights. Return to the previous screen (if LED is lit) Return to the default screen (if LED is not lit) NOTE: The LED goes OFF on exiting the menu.
	Press the arrow buttons to: Scroll up or down through the different screens of a branch. Reduce or increase the displayed value. Press the - button to reset the displayed values Press the + button to cancel the reset of the displayed values
	Press this button to select or confirm a choice.

Whatever the screen displayed, if no further action is taken, the system returns to the default screen after a few minutes.

Saving Settings

When a setting is changed in any of the three menus, pressing one of the three buttons , or displays the screen used to save the modification(s).

• Select yes to save the modifications.

• Select no to cancel and maintain the previous settings.

• This screen is displayed until yes or no is selected.

Reset Maximum Values

The maximum values can be reset when they are displayed on the screen:

• Press - to reset all maximum values displayed on the screen

• Press + to cancel the reset and restore the maximum values