ABB REU 610 Operator's Manual
Also see for REU 610: Installation manualTechnical reference manualTechnical reference manualTechnical reference manualOperator's manual
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Contents
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4.3.1.4. Programmable indicator LEDsIn addition to the three fixed LEDs, the relay contains eight LEDs which you canprogram to indicate the status of different type of relay signals. The programmableLEDs can indicate the following information:* Trip signals from protection stages* Trip lockout* Status of the digital input signalsRoute the signals to the LEDs via switchgroups SGL1...SGL8; to LED1 with theswitches of switchgroup SGL1, to LED2 with those of SGL2, and so forth.For detailed information on the signals, refer to the Technical Reference Manual.The LEDs are non-latching by default but you can also set them to operate aslatching via switchgroup SGF5.For instructions on setting the switchgroups, refer to Section 4.2.2.2. How to changesettings.4.3.2. Indication messagesThe messages give an overview of protection operations and internal relay faults.4.3.2.1. Operation indication messagesWhen a protection stage starts, the text START appears on the display along with thename of the function. Additionally, in case of a latching start indication, the name ofthe energizing input(s) which caused the fault are displayed. The yellow indicatorLED is lit.AA ! !A051579Fig. 4.3.2.1.-1 Latching start indicationWhen a protection stage trips, the text TRIP appears on the display along with thename of the function. Additionally, the name of the energizing input(s) whichcaused the fault are displayed. The red indicator is lit.40REU 610REU 610 Voltage Protection RelayOperator's Manual1MRS755770 |
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