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3. Button Configuration
K. Operation of A type TRIP RELAY
① ② ③
⑥
⑤ ④
ⓕ
DIGITAL TRIP RELAY
M
ⓐ
ⓑ ⓒ
ⓓ
ⓔ
Caution
■ 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. .
4. Measurement Display
Display Button Contents
1. The current of R, S, T, N phase are displayed in rotation at 3 second interval
2. At this very moment, the inverted triangle is moving sideways from left to right
to show which phase is being displayed on LCD currently, and the below bar
graphs represent each phase’s load rate in scale (40%~110%).
If pressing TAP button to display only one phase value exclusively on the screen
without displaying each phase’s current in rotation,. the triangle sign(∆) will
appear at the top-right side of LCD screen.
※ This screen-freeze can be apply at other screens as well.
The phase which will be displayed exclusively can be selected by pressing Up /
Down cursor.
Measurement
display
Relay setting
display
Communication
Address setting
Communication
Speed set
Present time
display
Event
index
Firmware
version
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