Sunfar C300 Series - RS485 Protocol Description; RS485 Data Format Options; RS485 Baud Rates; RS485 Communication Modes

96 SUNFAR C300
C300 series of non-sensor current vector-control inverter manual
message with the stated startup internal time is valid.
(2) The waiting time of master, with the longest responding time of inverter is
8-byte input time. If not, determined as a failure.
（3） If inverter doesn’t receive any message during setting time of F9.4, it will be
occurred the wire-break fault. Running state of slaves is decided by setting
value of F9.3.
2.3 Message structure
The length of each message is between 11 and 18 bytes. The type of character are
ASC code and hex.Ⅱ
（1） 3800H is shown as ASC code.Ⅱ
（2） 3800H is shown as hex.
2.3.1 Master command frame
Sending Sequence Definition Sending Sequence Definition
0
Heade
r
9
Settin
g
data
1
Slave addr.
10
Settin
g
data
2
Slave add
r
Slave addr.
11
Settin
g
data
3
T
y
pe o
f
orde
r
12
Settin
g
data
Data area
4
Operation orde
r
13
Check sum
5
Operation orde
r
Order area
14
Check sum
6
T
y
pe of data
15
Check sum
7
Data addr.
16
Check sum
Check area
8
Data addr.
Addr. area
17
Tail 0DH
9 10 11 12
Setting
Data
Setting
Data
Setting
Data
Setting
Data
33 38 30 30
9 10 11 12
Setting
Data
Setting
Data
Setting
Data
Setting
Data
0 0 38 00
Data list
Data（ASCⅡ）
Data list
Data（Hex）