Operation Of A Type Trip Relay - LSIS Susol UTS800 Manual Del Usuario

합본 Manual_800_1200AF_4 2014.7.17 5:46 PM 페이지22 위너스3

3. Operation of A type Trip Relay

1) Menu Tree
�Each movement within Menu Tree can be done by using Menu and ESC button.
�Use UP(△)/Down(▽) button to move around each setting information under Relay Setting Display.
�If not pressing any button for 30seconds after moving to other screens, the screen moves back to Measurement Display and any relevant data will not be saved.
Relay setting
display
Long-time Long-time
current setting tripping delay
2) LCD Segment
3) Button Configuration
Trip Relay Setting
CAUTION
Measurement
display
Communication Communication
Address setting Speed set
Short-time Short-time
pickup tripping delay
NO
Segment that displays the types of relay current and time
①
- Display of Setting values or Event
Segment that displays numbers or characters
②
- Current, Time, and Simple character
③ Segment that displays the unit of current and time.
Low Battery Segment
④
- LED flickers at 2~3 second interval if the voltage of 3.6V Lithium battery built in OCR is discharged below 2.5V.
Communication Segment
⑤
- Upon answering to communication, it is displayed on the screen of Address and Speed Setting.
Segment which displays the measured current and the load rate of each phase
⑥ - Inverted triangle indicates the current of phase which is being displayed on Measurement Display.
- Load rate of R/S/T phase in proportion to Ir
When OCR is plugged in for the first time, all segments will be shown for approximately a second,
�OCR A type is composed of 6 buttons, and its LCD Back Light comes on for 30s if it sensing any button
pressed during its operation.
�After 30 seconds under Idle condition, it moves back to Measurement Display page.
�If pressing ESC/RESET button in case of no power supply withOCR, BATT LED will come on to indicate
the residual quantity of battery.
�If pressing ESC/RESET button in case of existing power supply with OCR, the status of LED only can be
checked, not checking residual quantity of battery
�Only BATT LED turns on while pressing ESC/RESET button and other LEDs will turn on for 1~2
seconds after releasing ESC/RESET button.
�If ACB breaking the fault current normally, the information of cause for accident will be informed to users
by turning on Indication LED.
�At this time Indication LED is operated by a separate battery built in OCR. Therefore, turn it off by
pressing ESC/RESET button when discovering the cause of fault.
- 22 -
Present time Event
display index
Instantaneous Ground
pickup -fault pickup
Contents
and then return to Measurement Display.
CAUTION
Firmware
version
Ground-fault Ground-fault
tripping delay current delay