SUNFAR E300 SERIES 41
（2）Hex of 3800H:（invalid place as“0”）
9 10 11 12
Set data Set data Set data
Data place
Set data
00 00 38 00
Data value（hex）
1. Master command frame
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Send sequence
Slave addr.
Slave addr.
Order type
Operation order
Operation order
Data type
Data addr.
Data addr.
Set data
Set data
Set data
Set data
Check sum
Check sum
Check sum
Check sum
Tail
Definition
Header
Slave addr. Order area Addr. area Data area Check area 0DH
2．Slave corresponding frame
General data definition description for data frame
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Send sequence
Slave addr.
Slave addr.
Slave
correspond
State feedback
State feedback
Data type
Data addr.
Data addr.
Running data
Running data
Running data
Running data
Check sum
Check sum
Check sum
Check sum
Tail
Definition
Header
Slave addr.
Corresponding
area
Addr area Data area Check area 0DH
（1）Header
This communication protocol defines: 2AH (ASC code of character) and 5AH are available. Ⅱ
When header is 2AH, all data behind header is ASC code. When header is 5AH, all data Ⅱ
behind header is hex code and invalid byte fill 0. Unaided headers of 2AH and 5AH aren’t rightful
header. There need waiting time above five bytes before sending header.
（2）Slave addr.
Set range of inverter address：0～30，31（1FH）as broadcast communication address.
（3）Order type
Order type is during master sending data frame for defining action of this frame data. Based on
different order type, frame length is different shown as below:
E300 Series Mini-type Integrated Universal Inverter Manual
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