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Legacy Current Only Branch Circuit Monitor Modbus Mapping

The following tables detail the Modbus register map for the BG08 Current Only Monitor.  For more information on how to access Modbus data see the Modbus TCP/IP section.


The BG08 monitor is a modular device that can accommodate up to eight current monitors each with six current channels for a total of 48 circuits. 

Each of the the six channel monitoring modules has a unique 16 digit "GUID" which can be found on the monitor. The GUID will act as the "device ID" for the purposes of Modbus mapping. 

Example: Registers for circuit poles 1,3,5,7,9 will all correspond to the GUID for meter number 1. Registers 501-508 will represent channels 1-6 which in turn correspond to pole numbers 1,3,5,7,9,11.

 

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BG08 Modbus Register Map

Panel Pole (CT ID)

Meter Number

Meter Channel

Device ID (Meter GUID / Device ID)

Register

Expression Syntax

Multiplier

Resolution

Register Value

1

1

1

1

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

3

1

2

1

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

5

1

3

1

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

7

1

4

1

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

9

1

5

1

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

11

1

6

1

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian

13

2

1

2

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

15

2

2

2

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

17

2

3

2

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

19

2

4

2

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

21

2

5

2

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

23

2

6

2

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian

25

3

1

3

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

27

3

2

3

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

29

3

3

3

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

31

3

4

3

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

33

3

5

3

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

35

3

6

3

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian

37

4

1

4

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

39

4

2

4

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

41

4

3

4

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

43

4

5

4

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

45

4

4

4

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

47

4

6

4

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian


Panel Pole (CT ID)

Meter Number

Meter Channel

Device ID (Meter GUID)

Regsiter

Expression Syntax

Multiplier

Resolution

Register Value

2

1

1

5

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

4

1

2

5

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

6

1

3

5

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

8

1

4

5

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

10

1

5

5

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

12

1

6

5

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian

14

2

1

6

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

16

2

2

6

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

18

2

3

6

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

20

2

4

6

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

22

2

5

6

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

24

2

6

6

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian

26

3

1

7

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

28

3

2

7

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

30

3

3

7

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

32

3

4

7

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

34

3

5

7

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

36

3

6

7

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian

38

4

1

8

501

R(CurrentA) * 10

x 10

0.1 A

1 register, big-endian

40

4

2

8

502

R(CurrentB) * 10

x 10

0.1 A

1 register, big-endian

42

4

3

8

503

R(CurrentC) * 10

x 10

0.1 A

1 register, big-endian

44

4

5

8

504

R(CurrentD) * 10

x 10

0.1 A

1 register, big-endian

46

4

4

8

505

R(CurrentE) * 10

x 10

0.1 A

1 register, big-endian

48

4

6

8

506

R(CurrentF) * 10

x 10

0.1 A

1 register, big-endian