3. Button configuration
① ② ③
⑥
⑤④
ⓕ
DIGITAL TRIP RELAY
M
ⓐ
ⓑ ⓒ
ⓓ
ⓔ
4. Measurement display
K. The operation of trip unit
Measurement
display
Relay setting
display
Communication
Address setting
Communication
Speed set
Present time
display
Event
index
Option
display
Firmware
version
Caution
■ After 90 seconds under idle condition, it moves back to Measurement
Display page. And data doesn’t save.
■ If pressing ‘ESC/Reset’ button in case of no power supply with OCR,
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.
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.
3. Bar graphs represent each phase’s load rate in scale (40%~110%).
1. 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.
1. The phase which will be displayed exclusively can be selected by pressing
‘ Up / Down’ button.
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