M_TOV_NA_3

Transmission of disturbance values.

- obj

 

 

 

 

ASDU object

|---

+ head

 

 

 

Reserved

|---

- ident

 

 

 

DATA UNIT IDENTIFIER

|

|---

eType

= 0x1E (30)

= M_TOV_NA_3

Type identification

|

|---

bSQ

 

= TRUE

Sequence of information objects

|

|---

nObj

 

= 1

Number of objects

|

|---

eCOT

 

 

Cause of transmission

|

|---

asduAddr

 

 

Common address of asdu

|

|---

eClass

 

 

Fifo priority class

|---

- info

 

 

 

INFORMATION OBJECT

 

|---

fc

 

 

Function code/type

 

|---

n

 

= 0

not used

 

|---

stream

 

 

Information element/object data

 

 

|---

length

= 8 + (i *2)

 

 

 

|---

data

 

7

6

5

4

3

2

1

0

 

 

 

 

|---

data[0] =

0

not used

 

 

 

|---

data[1] =

TOV

Type of disturbance values

 

 

 

|---

data[2..3] =

FAN

Fault number

 

 

 

|---

data[4] =

ACC

Actual channel

 

 

 

|---

data[5] =

NDV

Number of relevant disturbance values per ASDU

 

 

 

|---

data[6..7] =

NFE

Number of the ASDU's first information element

 

 

 

|---

data[8..9] =

SDV

Single disturbance value 1

 

 

 

|---

data[10..11] =

SDV

Single disturbance value 2

 

 

 

|---

data[12..IEC870_MAX_ASDU_DATA_BYTE] =

SDV

Single disturbance value 3..i