CHF100A series high performance universal inverter
.106.
Node addr.
Command
Bytes No.
Data
CRC
0x01
0x03
0x02
0x00
0x00
0xB8
0x44
9.4 Protocol function
Different respond delay can be set through drive
’
s parameters to adapt to different needs.
For RTU mode, the respond delay should be no less than 3.5 bytes interval, and for
ASCII mode, no less than 1ms.
The main function of Modbus is to read and write parameters. The Modbus protocol
supports the following commands:
0x03
Read inverter
’
s function parameter and status parameters
0x06
Write single function parameter or command parameter to inverter
All drive
’
s function parameters, control and status parameters are mapped to Modbus
R/W data address.
The data address of control and status parameters please refer to the following table.
Parameter
Description
Address
Meaning of value
R/W
Feature
0001H: Forward
0002H: Reverse
0003H: JOG forward
0004H: JOG reverse
0005H: Stop
0006H: Coast to stop
0007H: Reset fault
Control
command
1000H
0008H: JOG stop
W/R
0001H: Forward running
0002H: Reverse running
0003H: Standby
0004H: Fault
Inverter status
1001H
0005H: Status of inverter POFF
R
Communication
setting
2000H
Communication Setting Range
(-10000~10000)
Note: the communication setting is
the percentage of the relative value
(-100.00%~100.00%). If it is set as
frequency source, the value is the
W/R
Summary of Contents for CHF100A-004G-2
Page 1: ......
Page 4: ......
Page 10: ......
Page 11: ......
Page 13: ......
Page 14: ......
Page 59: ......
Page 60: ......
Page 98: ......
Page 100: ......
Page 103: ......
Page 121: ...CHF100A series high performance universal inverter 120 Figure A 16 Open inverter cabinet ...
Page 155: ......
Page 156: ......