Metering Menu - FDM121 User Guide

Presentation

Use the Metering menu to display current, voltage, energy measurements, and so on.

The full list of measurements displayed depends on the device connected to the FDM121 display.

Navigation

The procedure below describes an example of access to the Metering menu, the metering screens, and selection of the voltage measurements when a ComPacT NSX circuit breaker equipped with a MicroLogic 5.2 E trip unit is connected to the FDM121 display.

Step	Action	Display
1	Select the Metering menu in the Main menu by using the and keys. Confirm selection of the Metering menu by pressing the OK key.
2	The Metering menu is displayed on two screens. The following selections can be made in the Metering menu: Current I Voltage V L-L V L-N Power PQS Energy E Frequency F , power factor PF , and cos ϕ Total harmonic distortion THD
3	Select, for example, the V L-L V L-N submenu in the Metering menu by using the and keys.
4	Screen 1/10 in the V L-L V L-N submenu displays the phase-to-phase voltage values. Use the and keys to switch from one screen to another and display all the metering screens in the V L-L V L-N submenu. Use the key to modify the display mode and to switch to bar graph mode.

NOTE: Use the

key to return to the Metering menu.

Measurement Display Modes

The current, voltage, and power measurements can be displayed in three different ways, by using the context-sensitive key to switch from one display mode to another:

The icon represents bargraph mode display.
The icon represents dial mode display.
The icon represents numeric mode display.

The table below shows an example display for current in the three modes.

Numeric mode	Bargraph mode	Dial mode

Press the key to switch the display to bargraph mode.	Press the key to switch the display to dial mode.	Press the key to switch the display to numeric mode.