Table of Contents
Advertisement
8.1.4 Function Code 101, Write 32-bit Parameter
Example 1:
Writing parameter
inverter 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
Field:
Hex
Response: Frequency Inverter
Field:
Hex
The response is an echo of the request message.
Example 2:
Writing out of range value 9.00 Hz to parameter 375 in data set 2 from the fre-
quency inverter with address 1.
As 376 has 2 decimal places the value to be sent is 900 = 0x0384
Request: Master
Field:
Hex
Error Response: Frequency Inverter
Field:
Hex
The exception code sent is hexadecimal value 0x04 = SLAVE DEVICE FAILURE.
05/08
05/08
Rated Frequency
Rated Frequency
375 has two decimal places.
Frequency Inverter
Adr
Funct.
DSet/Par-No.
01
65
21
Adr
Funct.
DSet/Par-No.
01
65
21
Frequency Inverter
Adr
Funct.
DSet/Par-No.
01
65
21
Adr
Funct.
Except
01
E5
04
Modbus Instruction manual
Modbus Instruction manual
375 (0x0177) in data set 2 from the frequency
Par-Value
77
00
00
Master
Par-Value
77
00
00
Par-Value
77
00
00
Master
CRC
6B
53
CRC
03
E8
46
C5
CRC
03
E8
46
C5
CRC
03
84
46
E8
41
41
Hide quick links:
Advertisement
Table of Contents
Need help?
Do you have a question about the ACTIVE and is the answer not in the manual?