SUNFAR Self-Defined Communication Protocol 82
1.4 Example
1.4.1 Read status and feature information of slave machine (Command classi-
fication 0)
Data setting: Read model of slave machine
Sent by main Frame Slave Command Operation
Data
Data
machine header address type command classification subitem
Checksum
Frame
end
Number of bits 1
2
1
2
1
2
4
1
2A 30 30
30
Example
5A 00 00
00
Description
Frame Address
header 00
No. 0
command
30 31
00 01
Start
30
30 30
00
00 00
No data classification
30 31
38 31
00 00
00 01
Hexadecimal
accumulation
0D
0D
Frame
end
Data feedback: the model is 2S0004.
Slave machine Frame Slave Slave Status
Data
Feature
response header address response feedback classification information
Checksum
Frame
end
Number of bits 1
2
1
2
1
6
4
1
Example
Description
2A 30 30 30 30 33
30
5A 00 00 00 00 03
00
No.0 Slave Slave
Frame slave machine machine No data
header machine receives in stop classification
response data condition
32 30 30
30 30 34
30 32
34 39
0D
02 00 00
00 00 04
00 00
00 09
0D
02－voltage Hexadecimal
class -2S accumulation Frame
04－power or decimal end
0.4KW accumulation
1.4.2 Read running parameters of slave machine (Command classification 1)
Data setting: read d-6(current set frequency).
Sent by
main
machine
Number
of bits
Example
Frame
header
1
2A
5A
Slave Command Operating Data
Data
address classification command classification subitem
2
1
2
1
2
30 30
31
30 30
30
30 36
00 00
01
00 00
00
00 06
Checksum
Frame
end
4
1
30 31 38 37 0D
00 00 00 07 0D
Description Frame Address
header 00
No. 1
command
Invalid
command
d parameter
group
d
parameter
number
Hexadecimal
accumulation
Frame
end
E550 Series Universal Low-Power Inverter
