PowerLogic ION7550 / ION7650 User Guide - Schneider Electric

ION7550 / ION7650 User GuideChapter 3 - Front PanelDisplay Screen TypesFront Panel LEDsThe front panel LEDs are as follows:The green operation LED (top) should always be on when the meter is inservice. Contact Technical Support if this is not the case.The red watthour LED (middle) is factory configured to be a Wh (del+rec)pulser. During the course of normal operation, this LED should blinkintermittently as the meter measures power system energy.The red alarm LED (bottom) on the front panel of the meter is userprogrammable. Possible applications include sag/swell alarming, setpointannunciation, and tariff notification. Like all the other outputs on the meter, thisport can be controlled by a Digital Output, Pulser, or Calibration Pulser module.Backlight Operation and Display ContrastThe front panel display is factory configured to dim five minutes after the lastbutton press. If the front panel is dimmed, press any button to return the displayto full brightness. The front panel display is adjusted at the factory to the optimalcontrast level. Use the Display Setup menu to adjust the contrast, if necessary (see“Display Setup Menu” on page 39).Status BarThe Status Bar of the meter is located along the top of all display screens. When indata display mode, the Status Bar shows the date in MM/DD/YYYY format(configurable), the current local time in 24 hour format, and the data display screentitle.The meter’s front panel displays measurements, configurable settings, and currentconfiguration data in various forms. These data display screens are describedbelow.Numeric DisplaysNumeric displays show multiple parameters at a time: two, three, three with atimestamp, four, eight, ten, or twenty. When displaying numeric values for currentand power quantities, the front panel shows resolution to three decimal places bydefault. All other values are displayed to two decimals of accuracy. For finerresolutions, use Vista software to display the data.NOTEIf the front panel is unable to read a numeric value, or if the value is not available, it displays a dash (—).© 2007 Schneider Electric. All rights reserved. Page 29