Parameter Description
Parameters
77
protocol and MODBUS communication protocol.
Note: Please switch the SW10 on the inverter farthest from the computer to 120.
2. Shihlin communication protocol
● Automatically switch the position machine and the inverter to ASCII codes (hexadecimal)
for communication.
● Please follow the following steps for data communication between the position machine
and the inverter.
①
②
③
④
⑤
PC
Inverter
Inverter
PC
time
Data reading
Data writing
The above steps concerning communication actions and communication data format are
explained below:
No.
Action content
Operation
reference
Frequency
write-in
Parameter
write-in
Inverter
reset
Monitoring
Parameters
Read-out
①
Use the position
machine's user
procedure to send
communication request
to the inverter.
A
A
A
A
B
B
②
Inverter data processing
time
Yes
Yes
Yes
No
Yes
Yes
③
Inverter’s
replay
data
(check
data
①
error)
No error
(Accept the
request)
(C)
(C)
(C)
No
E
E
Error exists
(Refuse the
request)
D
D
D
No
D
D
④
Position machine’s
processing delay time
No
No
No
No
No
No
⑤
Reply
from the
position
machine
regarding
reply data
③
(Check
data
③
error)
No error
(No
processing)
No
No
No
No
(C)
(C)
Error exists
(Output
③
)
No
No
No
No
F
F
