ADSST-EM-2030 Datasheet, PDF (6/20 Pages) Analog Devices – Three-Phase Energy Meter Chipset

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
1
2
3
4
5
6
7
8
SPB AVMS AVLS BVMS BVLS CVMS CVLS NLV
9
10
NLV CSUM
Byte No.
1
2
3
4
5
6
7
8
9
10
Name
SPB
AVMS
AVLS
BVMS
BVLS
CVMS
CVLS
NLV
NLV
CSUM
Description
Start Packet Byte (0xEE)
Voltage Constant for A-Phase – MSB
Voltage Constant for A-Phase – LSB
Voltage Constant for B-Phase – MSB
Voltage Constant for B-Phase – LSB
Voltage Constant for C-Phase – MSB
Voltage Constant for C-Phase – LSB
No Legal Value (0x00)
No Legal Value (0x00)
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
1
2
3
4
5
6
7
8
SPB AILM AILL BILM BILL CILM CILL NLV
9
10
NLV CSUM
Byte No.
1
2
3
4
5
6
7
8
9
10
Name
SPB
AILM
AILL
BILM
BILL
CILM
CILL
NLV
NLV
CSUM
Description
Start Packet Byte (0xEE)
Current Constant for A-Phase – Low Gain – MSB
Current Constant for A-Phase – Low Gain – LSB
Current Constant for B-Phase – Low Gain – MSB
Current Constant for B-Phase – Low Gain – LSB
Current Constant for C-Phase – Low Gain – MSB
Current Constant for C-Phase – Low Gain – LSB
No Legal Value (0x00)
No Legal Value (0x00)
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
1
2
3
4
5
6
7
8
SPB AIHM AIHL BIHM BIHL CIHM CIHL NLV
9
10
NLV CSUM
Byte No.
1
2
3
4
5
6
7
8
9
10
Name
SPB
AIHM
AIHL
BIHM
BIHL
CIHM
CIHL
NLV
NLV
CSUM
Description
Start Packet Byte (0xEE)
Current Constant for A-Phase – High Gain – MSB
Current Constant for A-Phase – High Gain – LSB
Current Constant for B-Phase – High Gain – MSB
Current Constant for B-Phase – High Gain – LSB
Current Constant for C-Phase – High Gain – MSB
Current Constant for C-Phase – High Gain – LSB
No Legal Value (0x00)
No Legal Value (0x00)
Checksum
–6–
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