DOCA0157EN-08

Function 43-14: Read Device Identification (Basic)

Structure of Modbus Read Device Identification Messages

The ID consists of ASCII characters called objects.

Request for basic information

Definition

Number of Bytes

Value

Server number

1 byte

0xFF

Function code

1 byte

0x2B

Sub-function code

1 byte

0x0E

Product ID

1 byte

0x01

Object identifier

1 byte

0x00

Response with basic information

Definition

Number of Bytes

Value

Server number

1 byte

0xFF

Function code

1 byte

0x2B

Sub-function code

1 byte

0x0E

Product ID

1 byte

0x01

Conformity level

1 byte

0x01

Reserved

1 byte

0x00

Reserved

1 byte

0x00

Number of objects

1 byte

0x03

Object 0: manufacturer name

Object number

1 byte

0x00

Object length

1 byte

0x12

Object content

18 bytes

Schneider Electric

Object 1: product code

Object number

1 byte

0x01

Object length

1 byte

0x08

Object content

8 bytes

A9XMWD20/A9XMWD100

Object 2: version number

Object number

1 byte

0x02

Object length

1 byte

0x06 (minimum)

Object content

6 bytes minimum

Vx.y.z

Request for complete information

Definition

Number of Bytes

Value

Server number

1 byte

0xFF

Function code

1 byte

0x2B

Sub-function code

1 byte

0x0E

Product ID

1 byte

0x02

Object identifier

1 byte

0x00

Response with complete information

Definition

Number of Bytes

Value

Server number

1 byte

0xFF

Function code

1 byte

0x2B

Sub-function code

1 byte

0x0E

Product ID

1 byte

0x02

Conformity level

1 byte

0x02

Reserved

1 byte

0x00

Reserved

1 byte

0x00

Number of objects

1 byte

0x05

Object 0: manufacturer name

Object number

1 byte

0x00

Object length

1 byte

0x12

Object content

18 bytes

Schneider Electric

Object 1: product code

Object number

1 byte

0x01

Object length

1 byte

0x08

Object content

8 bytes

A9XMWD20/A9XMWD100

Object 2: version number

Object number

1 byte

0x02

Object length

1 byte

0x06 (minimum)

Object content

6 bytes minimum

Vx.y.z

NOTE: The above table describes how to read the ID of a PowerTag Link gateway.
QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

Was this helpful?