5-92 M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUALPRODUCT SETUP CHAPTER 5: SETTINGS5Figure 5-31: LED test sequenceApplication example 1Assume one needs to check if any of the LEDs is “burned” through user-programmable pushbutton 1. Apply the followingsettings.Configure user-programmable pushbutton 1 by making the following entries in the SETTINGS PRODUCT SETUP USER-PROGRAMMABLE PUSHBUTTONS USER PUSHBUTTON 1 menu. (The option does not display when not purchased.)PUSHBUTTON 1 FUNCTION: “Self-reset”PUSHBTN 1 DROP-OUT TIME: “0.10 s”Configure the LED test to recognize user-programmable pushbutton 1 by making the following entries in the SETTINGS PRODUCT SETUP USER-PROGRAMMABLE LEDS LED TEST menu:LED TEST FUNCTION: “Enabled”LED TEST CONTROL: “ PUSHBUTTON 1 ON ”The test is initiated when the user-programmable pushbutton 1 is pressed. Keep the pushbutton pressed for as long as theLEDs are being visually inspected. When finished, release the pushbutton. The relay then automatically starts stage 2. Atthis point, test can be cancelled by pressing the pushbutton.Application example 2Assume one needs to check if any LEDs are “burned” as well as exercise one LED at a time to check for other failures. Thisis to be performed via user-programmable pushbutton 1.After applying the settings in application example 1, hold down the pushbutton as long as necessary to test all LEDs. Whenfinished, release the pushbutton so that the relay then automatically starts stage 2. When stage 2 is completed, stage 3starts automatically. The test can be cancelled at any time by pressing the pushbutton.842011A1.CDRREADY TO TESTStart the software image ofthe LEDsSTAGE 1(all LEDs on)control input is onWait 1 seconddropping edge of thecontrol inputRestore the LED statesfrom the software imagerising edge of thecontrol inputSTAGE 2(one LED on at a time)STAGE 3(one LED off at a time)rising edgeof the controlinputrising edge of thecontrol inputSet theLED TEST IN PROGRESSoperandReset theLED TEST IN PROGRESSoperandrising edge of thecontrol inputWait 1 second rising edge of thecontrol inputtime-out(1 minute)
