ABB REM 610 Operator's Manual

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4.2.2.4. How to acknowledge and reset targets, output contacts andmemorized values* To clear the LEDs and the display, press . The LEDs and the display arecleared only if the fault has disappeared.* To unlatch the output contacts, press for at least five seconds. Note that theLEDs and the display have to be cleared before this.* Press and simultaneously for at least half a second to perform a masterreset, that is, to clear targets and memorized values and to unlatch the outputcontacts. The display being inverted confirms this action. Memorized valuesinclude recorded data, disturbance recorder data and average values (demandvalues and history data values, except for the running time).4.3. Protection relay targetsThe operation of the relay can be monitored by means of three different HMItargets:* Three target LEDs with fixed functionality:* Ready* Pickup/Alarm* Trip* Eight programmable target LEDs* Text message on the displayThe protection functions are not affected by fault targets.4.3.1. Target LEDsWhen a protection element picks up or generates an alarm, the yellow target LED islit.When a protection element trips, the yellow target LED remains lit and the red targetLED is lit.When a picked up protection element is blocked, the yellow target LED starts toflash. The yellow target LED is also lit to indicate an alarm from a protectionelement.4.3.1.1. Green target LEDA040264Fig. 4.3.1.1.-1 Green target LEDTwo different functions are embedded in the green target LED: power on andinternal relay fault (IRF).38REM 610REM 610 Motor Protection RelayOperator's Manual - ANSI version1MRS755538