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Numerical Multi-Function Overcurrent Protection Relay P20008 issue 2004/05

Section 4: Application Diagrams

The following pages contain example application diagrams for a variety of connections, showing various hardware options.

P2

P1

S2

S1

P2

P1

S2

S1

P2

P1

S2

S1

Notes

1. C T c i r c u i t s a r e s h o w n

connected to 1A inputs - use 5A

inputs for 5A rated CTs.

2. CT and earth connections are

typical only.

3. Diagram shows use of residual

(Holmgreen) connect ion for E/Fcircuit. Alternatively use a ring-core

CT.

4. Rear RS485 port is an ordering

option. On the last Relay on the bus

only, connect wire link as shown to

include 120 ohm terminating resistor

in circuit.

25262728

131415

3

4

567891016

171811121920

S1

RL1

RL2

RL3

RL4

RL52122RL62324RL7

+-

AG1-101, 102

P300001 Argus 1 Connection Diagrams / AG1-101,102

A B C

BUSBARS

see note 3 E/F1A

5A

Rx

Tx

Re

ar

F.O

.com

ms p

ort

s Rear RS485

comms port

see note 4

A

B

Term

Screen

120

Figure 4-1 Typical Connection for Earth-fault Protection


Notes1. C T c i r c u i t s a r e s h o wnconnected to 1A inputs - use 5Ainputs for 5A rated CTs.2. CT and earth connectionsare typical only.3. Diagram shows use of SEF/REF as an SEF input. Use of theinput for high-impedance REFrequires an addi tional sett ingresistor, and may also require ametrosil.4. R ea r R S 48 5 p o r t i s a n

ordering option. On the last Relayon the bus only, connect wire linkas shown to include 120 ohmterminating resistor in circuit.

1A

5A

25262728

131415

34

5

67891016171811121920

S1

RL1

RL2

RL3

RL4

RL52122RL623

24RL7

P2

P1

S2

S1

+-

AG1-103, 104

P300001 Argus 1 Connection Diagrams / AG1-103,104

A B C

BUSBARS

see note 3

SEFRx

Tx

Re

ar

F.O

.com

ms p

ort

s

Rear RS485

comms port

see note 4

A

B

Term

Screen

120

Figure 4-2 Typical Connection for Sensitive Earth-fault Protection

3738

39

4041424344

RL8

RL9

RL10

RL11

P2

P1

S2

S1

P2

P1

S2

S1

P2

P1

S2

S1

Notes

1. CT c ircuits are shown

connected to 1A inputs - use5A inputs for 5A rated CTs.

2. CT and earth connections

are typical only.

3. Optional expansion card,fitted only on models AG1-311

and AG1-312.

4. Optional expansion card,

fitted only on models AG1-321

and AG1-322.5. Rear RS485 port is an

ordering option. On the last

Relay on the bus only, connect

wire link as shown to include120 ohm terminating resistor in

circuit.48474645

5251504956

555453

13

1415

3

4

56

7891016

1718

111219

20

S1

RL1

RL2

RL3

RL4

RL5

2122RL623

24RL7

3536

333431

322930

S2

S3

S4

S54344

41

4239403738

S6

3536

333431

322930

S2

S3

S4

S5

S7

S8

S9

see note 3 see note 4

+

-

+-+-+

-+-

+-+-+

-+-+-

+

-+-+-

AG1-3x1, 3x2

P300001 Argus 1 Connection Diagrams / AG1-3x1,3x2 1

A B C

BUSBARS

Rx

Tx

Re

ar

F.O

.

co

mm

s p

ort

s

A

B

C1A

5A

1A

5A

1A

5A

Rear RS485

comms port

see note 5

A

B

Term

Screen

120

Figure 4-3 Typical Connection for 3 Phase-fault Protection


37383940

41424344

RL8

RL9

RL10

RL11

P2

P1

S2

S1

P2

P1

S2

S1

P2

P1

S2

S1

Notes1. CT circui ts are shown

connected to 1A inputs - use5A inputs for 5A rated CTs.2. CT and earth connections

are typical only.3. Diagram shows use ofr e s i d u a l ( H o l m g r e e n )

connection for E/F circuit.Alternatively use a ring-coreCT.

4. Optional expansion card,fitted only on models AG1-311and AG1-312.

5. Optional expansion card,fitted only on models AG1-321and AG1-322.6. Rear RS485 port is an

ordering option. On the last

Relay on the bus only, connectwire link as shown to include

120 ohm terminating resistor in

circuit.

484746455251504956555453

25

131415

34

5678910161718

11121920

S1

RL1

RL2

RL3

RL4

RL52122RL62324RL7

3536333431322930

S2

S3

S4

S543444142

39403738

S6

3536333431322930

S2

S3

S4

S5

S7

S8

S9


+-

+-+-+-+-

+-+-+-+-+-+-

+-+-

AG1-3x1, 3x2


A B C

BUSBARS

Rx

Tx

Rear

F.O

.com

ms p

ort

s

see note 3

A

E/F

C1A

5A

1A

5A

1A

5A

Rear RS485comms port

see note 6

A

B

Term

Screen

120

Figure 4-4 Typical Connection for 2 Phase-fault and Earth-fault Protection

3738394041424344

RL8

RL9

RL10

RL11

P2

P1

S2

S1

P2

P1

S2

S1

Notes

1. CT circui ts are shownconnected to 1A inputs - use5A inputs for 5A rated CTs.2. CT and earth connectionsare typical only.

3. Diagram shows use ofSEF/REF as an SEF input. Useof the input for high-impedanceREF requires an additional

setting resistor, and may alsorequire a metrosil.4. Optional expansion card,fitted only on models AG1-313and AG1-314.

5. Optional expansion card,fitted only on models AG1-323and AG1-324.6. Rear RS485 port is anordering option. On the last

Relay on the bus only, connectwire link as shown to include120 ohm terminating resistor incircuit.

1A

5A

48474645

56555453

25262728

131415

34

5678910161718

11121920

S1

RL1

RL2

RL3

RL4

RL52122RL62324RL7

3536333431322930

S2

S3

S4

S54344414239403738

S6

3536333431322930

S2

S3

S4

S5

S7

S8

S9

P2

P1

S2

S1


+-

+-+-+-+-

+-+-+-+-+-+-+-+-

AG1-3x3, 3x4

P300001 Argus 1 Connection Diagrams / AG1-3x3,3x4

A B C

BUSBARS

Rx

Tx

Rea

r F

.O.

com

ms p

ort

s

see note 3

A

C

SEF

1A

5A

1A

5A


see note 6

A

B

Term

Screen

120

Figure 4-5 Typical Connection for 2 Phase-fault and Sensitive Earth-fault Protection


3738

3940

41424344

RL8

RL9

RL10

RL11

P2

P1

S2

S1

P2

P1

S2

S1

P2

P1

S2

S1

Notes

1. CT ci rcuits are shown

connected to 1A inputs - use5A inputs for 5A rated CTs.

2. CT and earth connectionsare typical only.

3. Diagram shows use ofr e s i d u a l ( H o l m g r e e n )

connect ion for E/F circuit .Alternatively use a ring-core

CT.4. Optional expansion card,

fitted only on models AG1-411and AG1-412.

5. Optional expansion card,fitted only on models AG1-421

and AG1-422.

6. Rear RS485 port is anordering option. On the last

Relay on the bus only, connectwire link as shown to include

120 ohm terminating resistor incircuit.

48474645

5251504956555453

25262728

131415

34

56789101617

1811

121920

S1

RL1

RL2

RL3

RL4

RL52122RL623

24RL7

3536

333431322930

S2

S3

S4

S54344

4142

39403738

S6

3536

333431322930

S2

S3

S4

S5

S7

S8

S9


+-

+-+-+-+-

+-+-+-+-+-+

-+-+-

AG1-4x1, 4x2

P300001 Argus 1 Connection Diagrams / AG1-4x1,4x2

A B C

BUSBARS

Rx

Tx

Re

ar

F.O

.com

ms p

ort

s

see note 3

A

B

C

E/F1A

5A

1A

5A

1A

5A

1A

5A

Rear RS485

comms port

see note 6

A

B

Term

Screen

120

Figure 4-6 Typical Connection for 3 Phase-fault and Earth-fault Protection

3738

39

404142

4344

RL8

RL9

RL10

RL11

P2

P1

S2

S1

P2

P1

S2

S1

P2

P1

S2

S1

Notes1. CT circuits are shownconnected to 1A inputs - use5A inputs for 5A rated CTs.2. CT and earth connectionsare typical only.3. Application shows use ofSEF/REF as an SEF input. Useof the input for high-impedanceREF requires an additionalsetting resistor, and may alsorequire a metrosil.4. Optional expansion card,fitted only on models AG1-413and AG1-414.5. Optional expansion card,fitted only on models AG1-423and AG1-424.6. Rear RS485 port is anordering option. On the lastRelay on the bus only, connectwire link as shown to include120 ohm terminating resistor incircuit.

1A

5A

48

4746455251

504956

5554

53

25

262728

1314

15

34

5

678

9101617

181112

1920

S1

RL1

RL2

RL3

RL4

RL5

2122RL62324RL7

353633

34313229

30

S2

S3

S4

S54344

41

423940

3738

S6

353633

34313229

30

S2

S3

S4

S5

S7

S8

S9

P2

P1

S2

S1


+-

+-+

-+-+

-

+-+

-+-+

-+-

+

-+-

+-

AG1-4x3, 4x4


A B C

BUSBARS

Rx

Tx

Rea

r F

.O.

com

ms p

ort

s

see note 3

A

E/F

C

SEF

1A

5A

1A

5A

1A

5A


see note 6

A

B

Term

Screen

120

Figure 4-7 Typical Connection for 2 Phase-fault, Earth-fault and Sensitive Earth-fault Protection


3738394041424344

RL8

RL9

RL10

RL11

P2

P1

S2

S1

P2

P1

S2

S1

P2

P1

S2

S1

Notes1. CT c ircuits are shownconnected to 1A inputs - use5A inputs for 5A rated CTs.2. CT and earth connectionsare typical only.3. Application shows use ofSEF/REF as an SEF input. Useof the input for high-impedanceREF requires an additionalsetting resistor, and may also

require a metrosil.4. Optional expansion card,fitted only on models AG1-413and AG1-414.5. Optional expansion card,fitted only on models AG1-423and AG1-424.6. Rear RS485 port is anordering option. On the lastRelay on the bus only, connectwire link as shown to include120 ohm terminating resistor incircuit.

484746455251504956555453

25262728

131415

34

567891016171811121920

S1

RL1

RL2

RL3

RL4

RL52122RL62324RL7

3536333431322930

S2

S3

S4

S54344414239403738

S6

3536333431322930

S2

S3

S4

S5

S7

S8

S9

P2

P1

S2

S1


+-

+-+-+-+-

+-+-+-+-+-+-+-+-

AG1-4x3, 4x4


A B C

BUSBARS

Rx

Tx

Rear

F.O

.com

ms p

ort

s

see note 3

A

B

C

SEF1A

5A

1A

5A

1A

5A

1A

5A


see note 6

A

B

Term

Screen

120

Figure 4-8 Typical Connection for 3 Phase-fault and Sensitive Earth-fault Protection

A B C

Rx

Tx

Re

ar

F.O

.co

mm

s p

ort

s

P2

P1

S2

S1

P2

P1

S2

S1

P2

P1

S2

S1

see note 3

Notes

1. CT circuits are shown connected to 1A inputs.

Relays rated for 5A CTs use the same terminal

numbers and are an ordering option.

2. CT and earth connections are typical only.

3. Diagram shows use of residual (Holmgreen)

connection for E/F circuit. Alternatively use a ring-

core CT.

4. Status inputs S2 and S3 have a common

(terminal 4) negative supply input.

5. Rear RS485 port is an ordering option. On

the last Relay on the bus only, connect wire link asshown to include 120 ohm terminating resistor in

circuit.

2423

2625

2827

2122

867

910

S1

RL1

RL2

1920RL5

A

BC

Phase rotation

AG1-43xBUSBARS

A

B

C

E/F1A

1A

1A

1A

12

+-

3 +

54

+-

131415

S2

S3

11

18

1716

RL3

see note 4


see note 5

A

B

Term

Screen

120

see note 112RL4

P300001 Argus 1 Connection Diagrams / AG1-43x - 1A Version

Figure 4-9 Typical Connection for 3 Phase-fault and Earth-fault Protection – 1A or 5A Version

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