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8.2.2 Function Code 6, Write 16-bit Parameter
Example 1:
Writing parameter
inverter with address 3.
The rated mechanical power is to be set to 1.5 kW.
Parameter
Thus the value to be sent is 15 = 0x000F.
Request: Master
Field:
ASC
Hex
Response: Frequency Inverter
Field:
ASC
Hex
The response is an echo of the request message.
Example 2:
Writing out of range value 0 to parameter 376 (0x0178) in data set 2 to the fre-
quency inverter with address 3
Request: Master
Field:
ASC
Hex
Error Response: Frequency Inverter
Field:
ASC
Hex
The sent exception code is hexadecimal value 0x04 = SLAVE DEVICE FAILURE
44
44
Rated Mech. Power
Rated Mech. Power
Frequency Inverter
SoF
Adr
Fct.Code
:
0
3
0
6
3A
30 33
30
36
34
SoF
Adr
Fct.Code
:
0
3
0
6
3A
30 33
30
36
34
Frequency Inverter
SoF
Adr
Fct.Code
:
0
3
0
6
3A
30 33
30
36
32
SoF
Adr
Fct.Code
:
0
3
8
6
3A
30 33
38
36
Modbus Instruction manual
Modbus Instruction manual
376 (0x0178) in data set 4 to the frequency
376 has one decimal place.
DSet/Par-No.
Para-Value
4
1
7
8
0
0
31
37
38
30
30
Master
DSet/Par-No.
Para-Value
4
1
7
8
0
0
31
37
38
30
30
DSet/Par-No.
Para-Value
2
1
7
8
0
0
31
37
38
30
30
Master
Excep.
LRC
EoF
Code
0
4
7
3
CR
30
34
37
33
0D
LRC
0
F
2
F
CR
30
46
32
46
0D
LRC
0
F
2
F
CR
30
46
32
46
0D
LRC
0
0
5
E
CR
30
30
35
45
0D
LF
0A
05/08
EoF
LF
0A
EoF
LF
0A
EoF
LF
0A
05/08
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