Function Code 101, Write 32-Bit Parameter - BONFIGLIOLI Vectron ACTIVE Manual

8.2.4 Function Code 101, Write 32-bit Parameter

Example 1:
Writing parameter
verter with address 1
The rated frequency is to be set to 10.00Hz.
Parameter
Therefore the value to be sent is 1000 = 0x03E8.
Request: Master
Fld
ASC
Hex
Response: Frequency Inverter
Fld
ASC
Hex
The response is an echo of the request message.
Example 2:
Writing out of range value to 9.00 Hz to parameter 375 (0x0177) in data set 2 from
the frequency inverter with address 1
As 375 has 2 decimal places the value to be sent is 900 = 0x0384
Request: Master
Fld
ASC
Hex
Error Response: Frequency Inverter
Field
ASC
Hex
The exception code sent is hexadecimal value 0x04 = SLAVE DEVICE FAILURE.
46
46
Rated Frequency
Rated Frequency
375 has two decimal places.
Frequency Inverter
Adr Fct.Cd DSet/Par-No.
SoF
: 0 1 6 5 2
3A 30 31 36 35 32 31 37 37 30 30 30 30 30 33 45 38
Adr Fct.Cd DSet/Par-No.
SoF
: 0 1 6 5 2
3A 30 31 36 35 32 31 37 37 30 30 30 30 30 33 45 38
Frequency Inverter
Adr Fct.Cd DSet/Par-No.
SoF
: 0 1 6 5 2
3A 30 31 36 35 32 31 37 37 30 30 30 30 30 33 38 34
Adr Fct.Code
SoF
: 0 1 E 5
3A 30 31 45 35
Modbus Instruction manual
Modbus Instruction manual
375 (0x0177) in data set 2 to frequency in-
Para-Value
1 7 7 0 0 0 0
Master
Para-Value
1 7 7 0 0 0 0
Para-Value
1 7 7 0 0 0 0
Master
Excep.
LRC EoF
Code
0 4 1 6 CR
30 34 31 36 0D
LRC
0 3 E 8 1 7 CR LF
31 37 0D
LRC
0 3 E 8 1 7 CR LF
31 37 0D
LRC
0 3 8 4 7 B CR LF
37 42 0D
LF
0A
05/08
EoF
0A
EoF
0A
EoF
0A
05/08