5.2 LEDs AMU0600427 v13The LHMI includes three status LEDs above the display: Ready, Start and Trip.There are 15 programmable indication LEDs on the front of the LHMI. Each LEDcan indicate three states with the colors: green, yellow and red. The texts related toeach three-color LED are divided into three panels.There are 3 separate panels of LEDs available. The 15 physical three-color LEDsin one LED group can indicate 45 different signals. Altogether, 135 signals can beindicated since there are three LED groups. The LEDs are lit according to priority,with red being the highest and green the lowest priority. For example, if on onepanel there is an indication that requires the green LED to be lit, and on anotherpanel there is an indication that requires the red LED to be lit, the red LED takespriority and is lit. The LEDs can be configured with PCM600 and the operationmode can be selected with the LHMI or PCM600.Information panels for the indication LEDs are shown by pressing the Multipagebutton. Pressing that button cycles through the three pages. A lit or un-acknowledged LED is indicated with a highlight. Such lines can be selected byusing the Up/Down arrow buttons. Pressing the Enter key shows details about theselected LED. Pressing the ESC button exits from information pop-ups as well asfrom the LED panel as such.The Multipage button has a LED. This LED is lit whenever any LED on any panelis lit. If there are un-acknowledged indication LEDs, then the Multipage LEDblinks. To acknowledge LEDs, press the Clear button to enter the Reset menu(refer to description of this menu for details).There are two additional LEDs which are next to the control buttons and. These LEDs can indicate the status of two arbitrary binary signals byconfiguring the OPENCLOSE_LED function block. For instance,OPENCLOSE_LED can be connected to a circuit breaker to indicate the breakeropen/close status on the LEDs.Section 5 1MRK 504 169-UEN ALocal HMI68 Transformer protection RET650 2.2 IECApplication manual
