Function Code 6, Write 16-Bit Parameter - BONFIGLIOLI Active cube Operation Manual

Example:
A current value of 10.3 A is transferred. The actually transferred numerical value is 103, i.e. 0x67 in
the hexadecimal system.
Exception condition code
The following exception condition codes are possible:
2 INVALID DATA ADDRESS
3 INVALID DATA VALUE
4 SLAVE DEVICE ERROR
For a description of the exception condition codes, refer to Chapter 7.2.9 "Exception condition codes".
Example Telegrams:
16 Bit
Modbus RTU see chapter 9.1.1
7.2.2

Function code 6, write 16-bit parameter

This function code is used for writing integer or unsigned integer values into the frequency inverter.
Request Write 16-bit parameter:
MBAP header
Address
Function code
Start address (dataset / para. no.)
Register value (parameter value)
Response:
MBAP header
Address
Function code
Start address (dataset / para. no.)
Register value (parameter value)
Exception condition response:
MBAP header
Address
Error code
Exception condition code
10/13
• Value of register number field is not 1
• Parameter unknown
• Number of bytes in data field too small or too high
• Error when reading parameters
32 Bit
see chapter 9.2.1
7 bytes
1 byte 1 – 0xF7 (=247)
1 byte 0x06
2 bytes 0x0000 – 0x963F
2 bytes 0 – 0xFFFF
1 byte 1 – 0xF7 (=247)
1 byte 0x06
2 bytes 0x0000 – 0x963F
2 bytes 0 – 0xFFFF
1 byte 1 – 0xF7 (=247)
1 byte 0x86
1 byte 2, 3 or 4
ACU
Modbus/TCP
29