M_MEII_NA_3

Measurands II.

- obj

 

 

 

 

ASDU object

|---

+ head

 

 

 

Reserved

|---

- ident

 

 

 

DATA UNIT IDENTIFIER

|

|---

eType

= 0x9 (9)

= M_MEII_NA_3

Type identification

|

|---

bSQ

 

= FALSE

Sequence of information objects

|

|---

nObj

 

= i

Number of objects

|

|---

eCOT

 

 

Cause of transmission

|

|---

asduAddr

 

 

Common address of asdu

|

|---

eClass

 

 

Fifo priority class

|---

- info

 

 

 

INFORMATION OBJECT

 

|---

fc

 

 

Function code/type

 

|---

n

 

 

Information number

 

|---

stream

 

 

Information element/object data

 

 

|---

length

= 18 * i

 

 

 

|---

data

 

7

6

5

4

3

2

1

0

 

 

 

 

|---

data[0] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[1] =

MVAL

Current L1

 

 

 

|---

data[2] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[3] =

MVAL

Current L2

 

 

 

|---

data[4] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[5] =

MVAL

Current L3

 

 

 

|---

data[6] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[7] =

MVAL

Voltage L1-E

 

 

 

|---

data[8] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[9] =

MVAL

Voltage L2-E

 

 

 

|---

data[10] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[11] =

MVAL

Voltage L3-E

 

 

 

|---

data[12] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[13] =

MVAL

Active power P

 

 

 

|---

data[14] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[15] =

MVAL

Reactive power Q

 

 

 

|---

data[16] =

 

RES

ER

OV

MEA = Measurand with quality descriptor

 

 

 

|---

data[17] =

MVAL

Frequency f

 

 

 

|---

data[18..IEC870_MAX_ASDU_DATA_BYTE] =

 

Reserved