REV. 0

–6–

ADSST-EM-2030

Data Structure in the Packet

The ADSST-EM-2030 sends out eight bytes of data for every command. The last bytes of a parameter with a 6-byte structure are

kept at zero and should be neglected.

Table IV. Byte Wise Packet Data Structure for Voltage Gain Constants

Command to ADSST-EM-2030: 0x01

Acknowledgment from ADSST-EM-2030: 0x31

Byte No.

Name

Description

1

SPB

Start Packet Byte (0xEE)

2

AVMS

Voltage Constant for A-Phase – MSB

3

AVLS

Voltage Constant for A-Phase – LSB

4

BVMS

Voltage Constant for B-Phase – MSB

5

BVLS

Voltage Constant for B-Phase – LSB

6

CVMS

Voltage Constant for C-Phase – MSB

7

CVLS

Voltage Constant for C-Phase – LSB

8

NLV

No Legal Value (0x00)

9

NLV

No Legal Value (0x00)

10

CSUM

Checksum

Table V. Byte Wise Packet Data Structure for Low Gain Current Constants

Command to ADSST-EM-2030: 0x02

Acknowledgment from ADSST-EM-2030: 0x32

Byte No.

Name

Description

1

SPB

Start Packet Byte (0xEE)

2

AILM

Current Constant for A-Phase – Low Gain – MSB

3

AILL

Current Constant for A-Phase – Low Gain – LSB

4

BILM

Current Constant for B-Phase – Low Gain – MSB

5

BILL

Current Constant for B-Phase – Low Gain – LSB

6

CILM

Current Constant for C-Phase – Low Gain – MSB

7

CILL

Current Constant for C-Phase – Low Gain – LSB

8

NLV

No Legal Value (0x00)

9

NLV

No Legal Value (0x00)

10

CSUM

Checksum

Table VI. Byte Wise Packet Data Structure for High Gain Current Constants

Command to ADSST-EM-2030: 0x03

Acknowledgment from ADSST-EM-2030: 0x33

Byte No.

Name

Description

1

SPB

Start Packet Byte (0xEE)

2

AIHM

Current Constant for A-Phase – High Gain – MSB

3

AIHL

Current Constant for A-Phase – High Gain – LSB

4

BIHM

Current Constant for B-Phase – High Gain – MSB

5

BIHL

Current Constant for B-Phase – High Gain – LSB

6

CIHM

Current Constant for C-Phase – High Gain – MSB

7

CIHL

Current Constant for C-Phase – High Gain – LSB

8

NLV

No Legal Value (0x00)

9

NLV

No Legal Value (0x00)

10

CSUM

Checksum

123456789

0

1

B

P

SS

M

V

AS

L

V

AS

M

V

BS

L

V

BS

M

V

CS

L

V

CV

L

NV

L

NM

U

S

C

123456789

0

1

B

P

SM

L

I

AL

L

I

AM

L

I

BL

L

I

BM

L

I

CL

L

I

CV

L

NV

L

NM

U

S

C

123456789

0

1

B

P

SM

H

I

AL

H

I

AM

H

I

BL

H

I

BM

H

I

CL

H

I

CV

L

NV

L

NM

U

S

C