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계측값 확인 조작 방법 |
표시값 설명 |
표시범위 |
단위 |
상태표시 |
자동복귀시한 |
Firstly displayed value when
powered in relay (basic display) |
% display of current for phase with the max. |
10~150 |
% |
RUN |
Maintaining
status |
In each pressing of MODE
button, transfer to next step
sequentially |
% display of R phase |
10~150 |
% |
RUN |
Auto-return to
basic
display
after 30 sec. |
% display of S phase |
10~150 |
% |
RUN |
% display of T phase |
10~150 |
% |
RUN |
V display of control voltage |
50~300 |
V |
RUN |
Hz display of control voltage |
40~70 |
Hz |
RUN |
Sequential display of % for each phase current |
10~150 |
% |
RUN |
Press the METER button for
2 seconds at basic display |
Display of current for phase with the max. |
10~150 |
A |
RUN |
Auto-return to
basic
display
after 50 sec.
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POWER
CONNECTOR |
O1, B1 |
10~150% |
A |
RUN |
51, 52 |
10~150% |
A |
RUN |
53, 54 |
10~150% |
A |
RUN |
M1, M2 |
10~150% |
A |
RUN |
NC |
50~300 |
V |
RUN |
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Check for setting |
Description |
Auto Return |
Once pressing of ENTER button
on basic display |
Rated setting current(A) is displayed and lamps for implemented options
are blinked |
Return to basic display after 3 sec. |
Continuous pressing of
ENTER button on basic display |
Setting value for implemented options are displayed sequentially |
Return to basic display immediately |
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| Note) Relay will be operated normally while checking the mesuring or setting value. |
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Operation test method |
Description |
Auto Return |
Press the TEST button for 4
seconds at basic display |
Implemented option's indicating lamps are blinked
twice and testing for internal system is proceeded. |
Return to
basic display
after test
(When cancel
for testing,
Press RESET
button) |
Press the TEST button one
more time in step 1 of relay
operation test |
After displaying the rated current and 10 times On/Off
of implemented Alarm Contacts Relay, Trip Relay (MX)
repeats 10 times On/Off and ACB will be tripped. |
Return to
basic display
automatically
after test
completing |
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Note 1) OPTION CONNECTOR is added in selecting UVR,
OVR, OPR, and UBR options
Note 2) LTD, STD, and INST Trip Alarm Contact commonly
use 51 and 52 contacts
Note 3) GTD and NGR Trip Alarm Contact commonly use
53 and 54 contacts
Note 4) M1 and M2 use 240V, 220V, and 110V AC in
selecting UVR. Others than UVR and OVR option.
85~250V AC, DC free voltage can be available. |
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Terminal |
Classification |
Application |
CT
CONNECTOR |
R |
R-phase CT connection |
S |
S-phase CT connection |
T |
T-phase CT connection |
N |
N-phase CT connection |
COM |
CT common line terminal |
A+ |
External NCT connecting k |
A- |
External NCT connecting l |
NC |
Spare terminal |
POWER
CONNECTOR |
MHT+,- |
Output terminal for MHT control |
O1, B1 |
ACB Trip Contact |
51, 52 |
OCR Trip Alarm Contact |
53, 54 |
GTD, NGR Trip Alarm Contact |
61, 62 |
Pre-Alarm Contact |
M1, M2 |
Protection Relay Control Source |
FG |
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OPTION
CONNECTOR |
V1 |
R-phase external PT input terminal |
V2 |
S-phase external PT input terminal |
V3 |
T-phase external PT input terminal |
VN |
PT input common line |
63, 64 |
UVR-OVR Trip Alarm Contact |
65, 66 |
OPR Trip Alarm Contact |
67, 68 |
UBR Trip Alarm Contact |
NC |
Spare terminal |
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Function |
After supply of control power source, Press SET button for 4 seconds. |
Setting Increase |
∧ |
- Each pressing of button changes the setting value or setting step.
- By using left and right button, select setting step.
- Increase or decrease of setting value is made within setting range.
- Display is different according to the option.
- Relay protection is not functioned during the setting process.
- When next pressing is not made for 20 sec, Setting value is saved and
display returns to initial stage.
- During setting process, changed setting value is saved automatically and
maintained without power supply.
- If Relay is tripped continuously by faulty setting value, press setting button and
reset. Then, setting change or OFF can be made in Setting mode.
- When setting button is pressed, built-in buzzer beeps.
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Setting Decrease |
∨ |
Previous Moving |
＜ |
Next Moving |
＞ |
Change to initial setting MODE |
MODE |
Setting Completion Enter |
Enter |
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