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JEP0-IL9416   

27

D - 3    Specifying CT primary rating 

<< Example >>  To change the primary current rating of the current transformer (CT) from 5A to 1,000 A: 

 

(The same procedure can be applied when changing the CT Zero-phase primary current only by 

changing the item number.)     

Operation 

Step Description 

Switch Press 

Indication 

The setting mode starts. The 
SETTING/CANCEL indicator LED 
comes on and the item number blinks. 

SETTING/

CANCEL  

Once 

0

2.

1

1

5

Item No.

Item data

 

S E T T IN G /

C A N C E L

S E L E C T /

S E T

S E T .E N D /

T R IP

U P

D O W N

IN D ./

IN D I.E N D

R E S E T

 

Mode selection (Setting 

Æ

 Forced 

Operation 

Æ

 Option)

 

See the section  D - 1   for how to 

select mode. 

(Omitted) 

(Omitted)

 

0

0

1

0

0

0

8

Item No.

Item data

 

 

Select the item number “901” (CT 
primary side). 

UP  

5

1

0

9

Item No.

Item data

 

A-

phase

B-

phase

C-

phase

Zero-

phase

kA

A

 

Make sure that the item number “901” is 
shown in the box, and press the 

SELECT/SET   switch. The item data 

box will start blinking, instead of the item 
No. box, so that data can be changed. 

SELECT/SET  

Once 

1

0

9

Item No.

5

Item data

 

Change the item data from “5” to “1000”. 

UP  

1

0

9

Item No.

0

0

0

1

Item data

 

 

Make sure that the desired data is 
shown in the item data box, and press 
the SELECT/SET  switch to program 

the data. 
When it is detected that new data has 
been programmed to be ready for 
replacing the currently used setting, the 
SET.END/TRIP indicator LED will blink. 
At the same time, the item number box 
will start blinking instead of the item data 
box. 
Note that the setting being used for the 
current operation is still valid even if 
another value has been programmed in 
the item data box. 

SELECT/SET  

Once 

0

0

0

1

1

0

9

Item No.

Item data

 

S E T T IN G /

C A N C E L

S E L E C T /

S E T

S E T .E N D /

T R IP

U P

D O W N

IN D ./

IN D I.E N D

R E S E T

Summary of Contents for melpto d series

Page 1: ...1 JEP0 IL9416 B Request Ensure that this Instruction Manual is delivered to the end users and the maintenance manager ...

Page 2: ... Relay CC COM Communication Card CC Link Operation Manual General information JEPO IL9417 MELPRO D Series Protection Relay CC COM Communication Card CC Link Operation Manual Model specific information JEPO IL9418 For MODBUS Title of document Document No MELPRO D Series Protection Relay RS COM Communication Card MODBUS Operation Manual General information JEPO IL9419 MELPRO D Series Protection Rela...

Page 3: ...D Option mode Item No 800 to 900 range 21 D 1 Specifying contact arrangement 21 D 2 Specifying operation indicator LED hold Item No 860 range 24 D 3 Specifying CT primary rating 27 D 4 Performing record reset 29 D 5 Performing LED lamp test 31 D 6 Specifying ZCT error adjustment 33 D 7 Performing ZCT error correction option 35 D 8 Performing CT polarity check 37 D 9 Password enable disable option ...

Page 4: ...OLD RESET MAX REC RESET RESET ALARM TEST LED 06 05 04 03 02 01 9 8 REF MANUAL CONT X0 X5 OP FORCED OPERATION CONTACT X5 OP CONTACT X0 OP 7 00 SETTING 5 OP CHARACT RE CHARACT I CURRENT A 42 41 40 34 33 CURRENT A TIME s I 32 31 30 22 21 OP CHARACT 20 14 13 12 11 10 STATUS 4 3 OP ELEMENT LAPSE 00 20 2 0 MEASUREMENT FAULT RECORD MAX RECORD 11 REAL TIME 10 1 Setting Cancel 14 Setting Cancel indicator 3...

Page 5: ...over operating button you can use the switches without removing the cover 7 Operational key switches Reset RESET Pressing this switch will reset output contacts after the relay operated and extinguish the operation indicator LEDs With the cover operating button you can use the switches without removing the cover 8 Item No Green A number allocated to the selected setting forced operation or option ...

Page 6: ...ement 300 Status 500 Setting 700 Forced operation 800 Option SETTING CANCEL SELECT SET SET END TRIP SET END TRIP SET END TRIP SELECT SET SELECT SET Mode selection same as above Mode selection The last number of the higher mode AND No data has been programmed SET END TRIP LED not blinking Condition Release Release Press and hold 1 sec Switch operation IND IND END Figure 1 2 Operation menu ...

Page 7: ...N RESET OPERATION INDICATOR ITEM No Select ITEM No by UP or DOWN ITEM No LED blinking ITEM DATA SELECT SET IND IND END SETTING CANCEL SET END TRIP UP DOWN RESET OPERATION INDICATOR ITEM No ITEM DATA SETTING CANCEL UP ITEM No Select setting value Admit setting value Make setting value effect Note SETTING ITEM DATA SELECT SET IND IND END SETTING CANCEL SET END TRIP UP DOWN RESET OPERATION INDICATOR ...

Page 8: ...as in A B and C phases 0 04 kA Zero phase 0 A To check data input for each phase follow the procedure below Operation Step Description Switch Press Indication 1 The indication mode starts The A phase current is indicated Ex A phase current 0 04 kA IND IND END Once 4 0 0 0 1 0 Item No Item data A phase B phase kA A C phase Zero phase 2 The B phase current is indicated Ex B phase current 0 04 kA UP ...

Page 9: ...A phase current 0 6 kA UP 6 0 1 1 0 Item No Item data A phase B phase C phase Zero phase kA A 3 The B phase current will be indicated Ex B phase current 0 7 kA UP Once 7 0 1 1 0 Item No Item data A phase B phase C phase Zero phase kA A 4 The C phase current will be indicated Ex C phase current 0 6 kA UP Once 6 0 1 1 0 Item No Item data A phase B phase C phase Zero phase kA A 5 The zero phase curre...

Page 10: ...e current 0 9 kA UP 9 0 1 1 2 Item No Item data A phase B phase C phase Zero phase kA A 3 The B phase current in the first phenomena will be indicated Ex B phase current 0 9 kA UP Once 9 0 1 1 2 Item No Item data A phase B phase C phase Zero phase kA A 4 The C phase current in the first phenomena will be indicated Ex C phase current 0 A UP Once 0 0 0 1 1 2 Item No Item data A phase B phase C phase...

Page 11: ...rent in the second phenomena will be indicated Ex Zero phase current 0 A UP Once 0 0 0 2 1 2 Item No Item data A phase B phase C phase Zero phase kA A 10 When the item number is shifted to the next 311 the display shows that there is no records for the third and later phenomenon UP Once 1 1 3 Item No Item data A phase B phase C phase Zero phase kA A 11 The indication mode ends IND IND END Once Ite...

Page 12: ... I B I A 2 When the switch is kept depressed until the item number 311 appears the operation status of the first phenomena will be shown by the operation indicator LEDs Ex The phase fault time delayed A and B phases operated UP 1 1 3 Item No Item data A phase B phase C phase Zero phase kA A I I C I B I A TRIP I I C I B I A 3 Press the switch to get the item number 312 The operation indicator LEDs ...

Page 13: ...ase Zero phase kA A 3 When a current that is equal to or more than the setting is input 0 will be displayed in the item data box The value with which the 0 display appears first should be the starting value of the phase fault time delayed element At the same time the operation indicator LED that corresponds to the element detected will blink None No 0 0 2 3 Item No Item data I I C I B I A TRIP I I...

Page 14: ...tch Press Indication 1 The indication mode starts IND IND END Once 0 0 0 0 1 0 Item No Item data A phase B phase C phase Zero phase kA A 2 When the switch is kept depressed until the item number 400 appears the defect code that is the smallest in number will be indicated Ex RAM check fault is indicated UP 2 0 0 0 0 0 4 Item No Item data A phase B phase C phase Zero phase kA A 3 Another defect code...

Page 15: ... phase fault time delayed element is set to 1 0 A With the item No 542 it is indicated that the operating time of the earth fault instantaneous element is set to INST UP 0 1 1 1 5 Item No Item data A phase B phase C phase Zero phase kA A T s n I 2 4 5 Item No Item data 3 Forced operation with the item number in the 700 range will not be displayed here 4 Indication of selected option The options se...

Page 16: ...Operating time multiplier 0 25 10 Operation Step Description Switch Press Indication 1 The setting mode starts The SETTING CANCEL indicator LED comes on and the corresponding item number blinks The current setting for the item number is displayed in the item data box SETTING CANCEL Once 0 2 1 1 5 Item No Item data S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E ...

Page 17: ...he desired value Press the SELECT SET switch to carry out programming SELECT SET Once 5 2 0 2 3 5 Item No Item data 8 Press the UP switch until the number shown in the item data box is changed from 0 25 to 10 UP 2 3 5 Item No 0 0 1 Item data 9 Make sure that the item data box shows the desired value Press the SELECT SET switch to carry out programming The SET END TRIP indicator LED still remains b...

Page 18: ...to 1234 beginning the lowest digit UP Once 4 3 2 1 Item No Item data 3 Make sure that the item data box showing desired value and press SELECT SET switch to verify the password If the password is correct the SET END TRIP indicator LED will blink If the password is incorrect the SET END TRIP indicator LED will not blink and still display the inputted value At this time you can input the password ag...

Page 19: ... number shown will change from 542 to 700 UP Press and hold for 1 sec or more F o 0 0 7 Item No Item data Release the UP switch again to complete the mode selection UP Release 4 Select the item number 710 Contact X1 UP Once F o 0 1 7 Item No Item data 5 Make sure that the item number 710 is shown in the box and press the SELECT SET switch The item data box will start blinking instead of the item N...

Page 20: ...ation of the selected contacts press the SET END TRIP switch Forced operation will be performed only while this switch is depressed During forced operation the figure shown in the lowest digit in the item data box which indicates the number of contacts selected for forced operation is blinking Also the operation indicator LEDs that correspond to the selected programmable contacts come on 2 n o 0 3...

Page 21: ...setting table shown below This will make up a 16 digit binary code Then convert the binary code into a 4 digit hexadecimal code Note that the arrangement shown in the table below varies by model Please refer to the instruction manual that is specifically prepared for your model Input Digit No Setting item 0 1 0 Self hold auto reset Reset Hold 1 Phase fault time delayed A phase Off On 2 Phase fault...

Page 22: ... the UP switch UP Release Press and hold the UP switch for a second or more The item number shown will change from 542 to 700 Mode has been transferred from Setting to Forced Operation UP Press and hold for 1 sec or more F o 0 0 7 Item No Item data Release the UP switch UP Release Change the item number to 750 which is the lowest number of the forced operation mode UP Press and hold F o 0 5 7 Item...

Page 23: ... check if the LED indication matches the condition you want to set When it is detected that new data has been programmed to be ready for replacing the currently used setting the SET END TRIP indicator LED will blink At the same time the item number box will start blinking instead of the item data box Note that the setting being used for the current operation is still valid even if another value ha...

Page 24: ...e Then convert the binary code into a 4 digit hexadecimal code Note that the arrangement shown in the table below varies by model Please refer to the instruction manual specifically prepared for the model Input Digit No Setting item 0 1 0 Trip Reset Hold 1 Phase fault time delayed A phase Reset Hold 2 Phase fault time delayed B phase Reset Hold 3 Phase fault time delayed C phase Reset Hold 4 Earth...

Page 25: ...LECT SET Once DOWN Once 0 6 8 Item No F E 1 0 Item data Change the item data from 01FF to 00EF The data should be input in such a way that individual letters are put separately from the lowest digit to the higher sequentially SELECT SET Once DOWN Once 0 6 8 Item No F E 0 0 Item data SELECT SET Once 0 6 8 Item No F E 0 0 Item data 6 Make sure that the desired value is shown in the item data box and...

Page 26: ...sed will be replaced by the new data to complete the procedure To cancel the new data programmed press the SETTING CANCEL switch to delete all the data programmed terminating the procedure To put in effect SET END TRIP To cancel SETTING CANCEL Once Item No Item data S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E N D R E S E T ...

Page 27: ... phase B phase C phase Zero phase kA A 4 Make sure that the item number 901 is shown in the box and press the SELECT SET switch The item data box will start blinking instead of the item No box so that data can be changed SELECT SET Once 1 0 9 Item No 5 Item data 5 Change the item data from 5 to 1000 UP 1 0 9 Item No 0 0 0 1 Item data 6 Make sure that the desired data is shown in the item data box ...

Page 28: ...sed will be replaced by the new data to complete the procedure To cancel the new data programmed press the SETTING CANCEL switch to delete all the data programmed terminating the procedure To put in effect SET END TRIP To cancel SETTING CANCEL Once Item No Item data S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E N D R E S E T ...

Page 29: ...tion See the section D 1 for how to select mode Omitted 0 0 1 0 0 0 8 Item No Item data 3 Select the item number 903 Max record reset UP o n 3 0 9 Item No Item data 4 Make sure that the item number 903 is shown in the box and press the SELECT SET switch The item data box will start blinking instead of the item No box so that data can be changed SELECT SET 3 0 9 Item No o n Item data 5 Change the i...

Page 30: ...ed will also be all cleared to complete the procedure To cancel the data programmed without clearing the record press the SETTING CANCEL switch The data programmed will be all cleared to terminate the procedure To put in effect SET END TRIP To cancel SETTING CANCEL Item No Item data S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E N D R E S E T ...

Page 31: ...9 Item No Item data 4 Make sure that the item number 906 is shown in the box and press the SELECT SET switch The item data box will start blinking instead of the item No box so that data can be changed SELECT SET Once 6 0 9 Item No o n Item data 5 Change the item data from NO not test to YES test UP Once 6 0 9 Item No S E Y Item data 6 Make sure that the desired data is shown in the item data box ...

Page 32: ...ure To cancel the test press the SETTING CANCEL switch The programmed data will be cleared terminating the procedure To start SET END TRIP To cancel SETTING CANCEL Once 8 8 8 RUN COMM Item No 8 8 8 8 Item data A phase B phase C phase Zero phase kA A S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E N D R E S E T I I C I B I A TRIP I I C I B I A ...

Page 33: ...hase current into ZCT primary Start setting mode The SETTING CANCEL indicator LED comes on and the item number blinks SETTING CANCEL Once 0 2 1 1 5 Item No Item data S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E N D R E S E T 2 Mode selection Setting Æ Forced Operation Æ Option See the section D 1 for how to select mode Omitted Omitted 0 0 1 0 0 0 8 Item No It...

Page 34: ...END TRIP indicator LED will blink At the same time the item number box will start blinking instead of the item data box Note that the setting being used for the current operation is still valid even if another value has been programmed in the item data box SELECT SET Once 1 2 5 0 9 Item No Item data S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E N D R E S E T 6...

Page 35: ...at the item number 904 is shown in the box and press the SELECT SET switch The item data box will start blinking instead of the item No box so that data can be changed SELECT SET Once 4 0 9 Item No F o Item data 5 Change the item data from oF null to on effect UP Once 4 0 9 Item No n o Item data 6 Make sure that the desired data is shown in the item data box and press the SELECT SET switch to prog...

Page 36: ...JEP0 IL9416 36 Operation Step Description Switch Press Indication the procedure S E TTIN G C A N C E L S E LE C T S E T S E T E N D TR IP U P D O W N IN D IN D I E N D R E S E T ...

Page 37: ...e 5 0 9 Item No o n Item data 5 Change the item data from no not check to YES check UP Once 5 0 9 Item No S E Y Item data 6 Make sure that the desired data is shown in the item data box and press the SELECT SET switch to program the data With the YES data the SET END TRIP indicator LED will blink At the same time the item No box will start blinking instead of the item data box Notice that at this ...

Page 38: ...tem data 4 Change the item data from oF disable to on enable UP Once 3 0 9 Item No n o Item data 5 Make sure that the desired data is shown in the item data box and press the SELECT SET switch to program the data With the on data the SET END TRIP indicator LED will blink At the same time the item No box will start blinking instead of the item data box Notice that at this status the on data is not ...

Page 39: ...Revised in May 2007 HEAD OFFICE 7 3 MARUNOUCHI 2 CHOME CHIYODA KU TOKYO 100 8310 JAPAN ...

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