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Communications Guide

DNP Protocol

Table 3: DNP Implementation Table

Object

 

 

Request

Response

 

 

 

 

 

 

 

Obj

 

Var

Description

Func Codes

Qual Codes

Func Codes

Qual Codes

 

 

 

 

 

(Hex)

 

(Hex)

 

 

 

 

 

 

 

 

1

 

0

Binary Input - All Variations

1

06

 

 

 

 

 

 

 

 

 

 

1

 

1

Binary Input

1

00, 01, 06

129

00, 01

 

 

 

 

 

 

 

 

1

 

2

Binary Input With Status (Note 6)

1

00, 01, 06

129

00, 01

 

 

 

 

 

 

 

 

2

 

0

Binary Input Change - All Variations

1

06, 07, 08

 

 

 

 

 

 

 

 

 

 

2

 

1

Binary Input Change Without Time

1

06, 07, 08

129

17, 28

 

 

 

 

 

 

 

 

2

 

2

Binary Input Change With Time

1

06, 07, 08

129

17, 28

 

 

 

 

 

 

 

 

10

 

0

Binary Output - All Variations

1

06

 

 

 

 

 

 

 

 

 

 

10

 

2

Binary Output Status

1

00, 01, 06

129

00, 01

 

 

 

 

 

 

 

 

12

 

1

Control Relay Output Block

3, 4, 5, 6

17, 28

129

17, 28

 

 

 

 

 

 

 

 

20

 

0

Binary Counter - All Variations

1, 7, 8, 9, 10

06

129

00, 01

 

 

 

 

 

 

 

 

20

 

5

32-Bit Binary Counter without Flag

1, 7, 8, 9, 10

06

129

00, 01

 

 

 

 

 

 

 

 

20

 

6

16-Bit Binary Counter without Flag

1, 7, 8, 9, 10

06

129

00, 01

 

 

 

 

 

 

 

 

21

 

0

Frozen Counter - All Variations

1

06

129

00, 01

 

 

 

 

 

 

 

 

21

 

9

32-Bit Frozen Counter without Flag

1

06

129

00, 01

 

 

 

 

 

 

 

 

21

 

10

16-Bit Frozen Counter without Flag

1

06

129

00, 01

 

 

 

 

 

 

 

 

30

 

0

Analog Input - All Variations

1

06

 

 

 

 

 

 

 

 

 

 

30

 

1

32-Bit Analog Input With Flag

1

00, 01, 06

129

00, 01

 

 

 

 

 

 

 

 

30

 

2

16-Bit Analog Input With Flag

1

00, 01, 06

129

00, 01

 

 

 

 

 

 

 

 

30

 

3

32-Bit Analog Input Without Flag

1

00, 01, 06

129

00, 01

 

 

 

 

 

 

 

 

30

 

4

16-Bit Analog Input Without Flag

1

00, 01, 06

129

00, 01

 

 

 

 

 

 

 

 

32

 

0

Analog Input Change - All Variations

1

06, 07, 08

 

 

 

 

 

 

 

 

 

 

32

 

1

32-Bit Analog Input Change without Time

1

06, 07, 08

129

17, 28

 

 

 

 

 

 

 

 

32

 

2

16-Bit Analog Input Change without Time

1

06, 07, 08

129

17, 28

 

 

 

 

 

 

 

 

32

 

3

32-Bit Analog Input Change with Time

1

06, 07, 08

129

17, 28

 

 

 

 

 

 

 

 

32

 

4

16-Bit Analog Input Change with Time

1

06, 07, 08

129

17, 28

 

 

 

 

 

 

 

 

50

 

1

Time and Date

1, 2

07 (Note 1)

129

07

 

 

 

 

 

 

 

 

60

 

1

Class 0 Data (Note 2)

1

06

129

 

 

 

 

 

 

 

 

 

60

 

2

Class 1 Data (Note 3)

1

06, 07, 08

129

 

 

 

 

 

 

 

 

 

60

 

3

Class 2 Data (Note 3)

1

06, 07, 08

129

 

 

 

 

 

 

 

 

 

60

 

4

Class 3 Data (Note 3)

1

06, 07, 08

129

 

 

 

 

 

 

 

 

 

80

 

1

Internal Indications

2

00 (Note 4)

129

 

 

 

 

 

 

 

 

 

 

 

 

No object - Cold Start

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No object - Warm Start

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No object - Delay Measurement (Note 5)

23

 

 

 

 

 

 

 

 

 

 

 

Default Variations The following table specifies the default variation for all objects returned by the relay. These are the variations that will be returned for the object in a response when no specific variation is specified in a request.

Table 4: Default Variations

OBJECT

DESCRIPTION

DEFAULT

 

 

VARIATION

 

 

 

 

 

 

1

Binary Input - Single Bit

1

 

 

 

2

Binary Input Change With Time

2

 

 

 

10

Binary Output Status

2

 

 

 

20

16-Bit Binary Counter without Flag

6

 

 

 

21

16-Bit Frozen Counter without Flag

10

 

 

 

30

32-Bit Analog Input Without Flag

3

 

 

 

32

32-Bit Analog Input Change Without Time

1

 

 

 

48

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GE 1601-0149-A2 manual DNP Implementation Table, Default Variations