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9.2.2.4
Function Code 101, Write 32-Bit Parameter
Example 1:
Writing parameter
The rated frequency is to be set to 10.00 Hz. Parameter
es.
Therefore the value to be sent is 1000 = 0x03E8.
Request: Master Frequency Inverter
Field:
SoF
Addr.
ASC
:
0
Hex
3A
30 31
Response: Frequency Inverter Master
Field:
SoF
Addr.
ASC
:
0
Hex
3A
30 31 36 35 32 31 37 37 30 30 30 30 30 33 45 38 31 37 0D
The response is an echo of the request message.
Example 2:
Writing out of range value to 9.00 Hz to parameter
the frequency inverter with address 1.
Rated Frequency
Parameter
Request: Master Frequency Inverter
Field:
SoF
Addr.
ASC
:
0
Hex
3A
30 31 36 35 32 31 37 37 30 30 30 30 30 33 38 34 37 42 0D
Error Response: Frequency Inverter Master
Field:
SoF
ASC
:
0
Hex
3A
30
The exception code sent is hexadecimal value 0x04 = SLAVE DEVICE FAILURE.
02/2011
Rated Frequency
375 (0x0177) in data set 2 to frequency inverter with address 1.
Fct.Cod
DSet/Par-No.
1
6
5
2
1
36 35 32 31 37 37 30 30 30 30 30 33 45 38 31 37 0D
Fct.Cod
DSet/Par-No.
1
6
5
2
1
375 has 2 decimal places. The value to be sent is 900 = 0x0384
Fct.Cod
DSet/Par-No.
1
6
5
2
1
Addr.
Fct.Code
1
E
5
31
45
35
Rated Frequency
Para-Value
7
7
0
0
0
0
Para-Value
7
7
0
0
0
0
Rated Frequency
Para-Value
7
7
0
0
0
0
Except.
LRC
Code
0
4
1
6
30
34
31
36
Modbus Agile
375 has two decimal plac-
LRC
0
3
E
8
1
7
LRC
0
3
E
8
1
7
375 (0x0177) in data set 2 of
LRC
0
3
8
4
7
B
EoF
CR
LF
0D
0A
EoF
CR
LF
0A
EoF
CR
LF
0A
EoF
CR
LF
0A
59
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