Shihlin electric SC3 Series User Manual

Communication parameter group 07
PARAMETER DESCRIPTION 122





Upper
controller
Inverter
Inverter
Time
Data read out
Data write in
Upper
controller
Please refer to the following table for descriptions of communication actions and communication data format type in the
above steps:
No
Action
Run
command
Frequency
write
Parameter
write
Inverter reset
Monitoring
Parameter
readout
①
Upper controller user program sends a
communication request to inverter
A
A
A
A
B
B
②
Inverter data processing time
Yes
Yes
Yes
Yes
Yes
Yes
③
Inverter return information
(check data ① for error)
No error (accept
request)
C
C
C
No
E
E
Error (request denied)
D
D
D
No
D
D
④
Upper controller processing delay time
No
No
No
No
No
No
①Data of communication request sent by upper controller to inverter
Format
Data number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
(Data write)
ENQ
*1)
Inverter
station
number
Command
code
Waiting
time *2)
Data
Check code
Sum check*7)
End
symbol*3)
B
(Data read)
ENQ
*1)
Inverter
station
number
Command
code
Waiting
time *2)
Check code
Sum check*7)
Check code
Sum check*7)
③Inverter return information
Data write-in
Format
Data number
1
2
3
4
5
6
C（correct）
ACK*1)
Inverter station number
End symbol*3)
D（error）
NAK*1)
Inverter station number
Error code*5)
End symbol*3)
Data read-out
Format
Data number
1
2
3
4
5
6
7
8
9
10
11
12
13
E(correct)
STX*1)
Inverter
station
Data read-out
Unit*4)
ETX
Check code
Sum check*7)
End
symbol*3)
D(error)
NAK*1)
Inverter
station
Error
code*5)
End
symbol*3)

Shihlin electric SC3 Series Specifications

General

Brand	Shihlin electric
Model	SC3 Series
Category	Inverter
Language	English