Sunfar C300 Series User Manual

SUNFAR C300 97
C300 series of non-sensor current vector-control inverter manual
2.4 Slave responding frame
Sending Sequence Definition Sending Sequence Definition
0
Heade
r
9
Runnin
g
data
1
Slave addr.
10
Runnin
g
data
2
Slave add
r
Slave addr.
11
Runnin
g
data
3
Slave
12
Runnin
g
data
Data area
4
Operation orde
r
13
Check sum
5
Operation orde
r
Responding
area
14
Check sum
6
T
y
pe of data
15
Check sum
7
Data addr.
16
Check sum
Check area
8
Data addr.
Address area
17
Tail 0DH
2.4.1 Header
This communication protocol defines that both 2AH (ASC code of character and Ⅱ
5AH are available. When header is 2AH, all of data behind header is ASC code. Ⅱ
When header is 5AH, all of data 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.
2.4.2 Slave address
Slave address is inverter address. The address range of slave machine is 0~30, 31
(1FH) is broadcast communication address.
2.4.3 Type of order
Type of order is only in master command frame and defines task of the data in this
frame. Length of each frame is different according to different order. Type of order is
shown as following table.
2.4.4 Operation order
Master gives a control order to slaves. It exists in all messages and is shown as
Data Operation
0 Read the state and information of slaves
1 Read the running parameter of slaves
2 Read code parameter
3 Modify code parameter in RAM, it will not save after power down
4 Send control order
5 Modify code parameter in EPROM, it will save after power down
6～F Reserved

Sunfar C300 Series Specifications

General

Brand	Sunfar
Model	C300 Series
Category	Inverter
Language	English