LSIS LSLV-G100 - Page 230

ENQ
Station ID
CMD
Address
Number of
Addresses
SUM
EOT
05h
‘01’
‘R’
‘3000’
‘1’
‘A7’
04h
1 byte
2 bytes
1 byte
4 bytes
1 byte
2 bytes
1 byte
Note
Broadcasting
Broadcasting sends commands to all inverters connected to the network simultaneously.
When commands are sent from station ID 255, each inverter acts on the command
regardless of the station ID. However, no response is given.
7.3.1.1 Detailed Read Protocol
Read Request: Reads successive n words from address XXXX.
ENQ
Station ID
CMD
Address
Number of
Addresses
SUM
EOT
05h
‘01’–’FA’
‘R’
‘XXXX‘
‘1’–‘8’ = n
‘XX’
04h
1 byte
2 bytes
1 byte
4 bytes
1 byte
2 bytes
1 byte
Total bytes=12. Characters are displayed inside single quotation marks (‘).
Read Normal Response
ACK
Station ID
CMD
Data
SUM
EOT
06h
‘01’–‘FA’
‘R’
‘XXXX’
‘XX’
04h
1 byte
2 bytes
1 byte
n x 4 bytes
2 bytes
1 byte
Total bytes= (7 x n x 4): a maximum of 39
Read Error Response
NAK
Station ID
CMD
Error Code
SUM
EOT
15h
‘01’–‘FA’
‘R’
‘**’
‘XX’
04h
1 byte
2 bytes
1 byte
2 bytes
2 bytes
1 byte
Total bytes=9