Communication parameter group 07
PARAMETER DESCRIPTION 114
5.8.1 Shihlin protocol and Modbus protocol
These protocols can link and communicate with upper controller through RS-485 communication port of inverter
for parameter setting, monitoring, etc.
Parameter
Name
Default Setting Range
Content
07-00
P.33
Communication
protocol selection
1
0
Modbus protocol
1
Shihlin protocal
07-01
P.36
Inverter
communication
station number
0
0~254
Maximum inverter connect number is determined by wiring
method and impedance matching. Please set its value to a
non-zero value when using Modbus protocol
07-02
P.32
Serial communication
baud rate
1
0
Baud rate: 4800bps
1
Baud rate: 9600bps
2
Baud rate: 19200bps
3
Baud rate: 38400bps
07-03
P.48
Data length
0
0
8bit
1
7bit
07-04
P.49
Stop bit length
0
0
1bit
1
2bit
07-05
P.50
Parity check selection
0
0
No parity check
1
Odd
2
Even
07-06
P.51
CR/LF selection
1
1
CR only
2
Both CR and LF
07-07
P.154
Modbus
communication format
4
0
1、7、N、2 (Modbus, ASCII)
1
1、7、E、1 (Modbus, ASCII)
2
1、7、O、1 (Modbus, ASCII)
3
1、8、N、2 (Modbus, RTU)
4
1、8、E、1 (Modbus, RTU)
5
1、8、O、1 (Modbus, RTU)
6
1、8、N、1 (Modbus, RTU)
07-08
P.52
Number of
communication retries
1
0~10
If communication error times exceed set value of 07-08 (P.52)
and 07-10 (P.153) is set to 0, alarm OPT will be reported.
07-09
P.53
Communication
interval allowed time
99999
0~999.8s
Checking communication timeout with the set value
99999
No timeout check
07-10
P.153
Communication alarm
action
1
0
Alarm and stop freely
1
No alarm and continuing to operation
Shihlin protocol and Modbus protocol
If any communication parameter is changed, please power off and restart inverter
SL3 series inverters offer two protocols to choose from: Shihlin protocol and Modbus protocol. Parameters
07-02(P.32), 07-01(P.36), 07-08(P.52), 07-09(P.53) and 07-10(P.153) are for both protocols. Parameter
07-03(P.48)~07-06(P.51) only applies to Shihlin protocol and parameter 07-07(P.154) applies only to Modbus
protocol. Please refer to communication protocol for details.
Setting
Содержание SL3 Series
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