User Manual
EM303B General Purpose Inverter
178
CRC parity(Low bytes go first)
2
Slave responds
Address of slave
1
Inverter address
ADU Item
Byte No.
Range
Command code
1
0x03
Byte Length
1
2* Register number
Register data
2* Register number
CRC parity
2
Remarks:
Read maximum 8 function codes consecutively.
Command code 0x06: Write single function code or control parameter of inverter
ADU Item
Byte No.
Range
Master requests:
Address of slave
1
0
~
127
Command code
1
0x06
Register address
2
0x0000
~
0xFFFF
Register data
2
0x0000
~
0xFFFF
CRC parity
2
Slave responds:
Address of slave
1
Inverter address
Command code
1
0x06
Register address
2
0x0000
~
0xFFFF
Register data
2
0x0000
~
0xFFFF
CRC parity
2
Command code 0x10: Write several function codes or control parameters of inverter
ADU Item
Byte No.
Range
Master requests:
Address of slave
1
0
~
127
Command code
1
0x10
Register start address
2
0x0000
~
0xFFFF
Register number
2
0x0000
~
0x0008
Byte length of register data
1
2*Register number
Register data
2* Register number
CRC parity
2
Slave responds:
Address of slave
1
Inverter address
Command code
1
0x10
Register start address
2
0x0000
~
0xFFFF
Register number
2
0x0000
~
0x0008
CRC parity
2
Remarks:
Write maximum 8 function codes consecutively